CET / SIET SCHOLARSHIP PRACTICE- Test 01 [Subject :Chemistry]

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"Please Answer all the Questions to know the correct Answers in view score after submission" .

(Estimated Answering Time Duration: 60 Min to 75 Min)

1. There are two common oxides of Sulphur. One of which contains 50% of Oxygen by weight. The other almost 60%. The weight of Sulphur which combine with 1g of Oxygen (fixed) are in the ratio of

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1:1

2:1

2:3

3:2

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2. A gaseous hydrocarbon gives upon combustion,072g of water and 3.08 g of Cabon dioxide. The empirical formula for the hydrocarbon is,

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Option 1

Option 2

Option 3

Option 4

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3. The number of neutrons in dipositive zinc ion with mass number 70 is

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4.Which one of the following sets of ions represents a collection of isoelectronic species

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Option 1

Option 2

Option 3

Option 4

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s- block

p- block

d- block

f- block

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s- block

p- block

d- block

f- block

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7.In which solvent NaCl has maximum solubility?

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Option 1

Option 2

Option 3

Option 4

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8.Which of the following does not contain any coordinate bond

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Option 1

Option 2

Option 3

Option 4

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9. 6 g of Oxygen gas at STP is expanded so that volume is doubled. Thus work done is

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22.4 L atm

-5.6 L atm

5.6 L atm

11.2 L atm

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10.An example of reversible reaction is

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Option 1

Option 2

Option 3

Option 4

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11.

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-2

- 4

+ 4

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12.On reaction with Mg, very dilute nitric acid produces

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Ammonia

Nitrous Oxide

Nitric Oxide

Hydrogen

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13. Which of the following statement is correct regarding alkali metals?

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CAT ion is less stable than the atom

CAT ion is smaller than the atom

Size of CAT ion and atom is the same

CAT ion is greater in size than the atom

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14. In India at the occasion of marriages, the fireworks used give green flame. Which one of the following radical is present?

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15. The hardest substance among following is

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Option 1

Option 2

Option 3

Option 4

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16. Boric acid heated to red hot gives

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Option 1

Option 2

Option 3

Option 4

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17.

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4-methyl isopropyl ketone

3-methyl-2-butanon

Isopropyl methyl ketone

2-methyl-3-butanon

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18. Methyl bromide, on being heated with Zinc in closed tube produces

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Methane

Ethane

Ethylene

Methanol

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19.

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Causing cough and breathing difficulties

is corrosive to most metals

Affect certain sensitive plants

All of the above are correct statements

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20. Ultraviolet radiation from sun causes a reaction that produces

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Fluorides

Carbon monoxide

Sulphur dioxide

Ozone

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21. In general, among solids the highest melting point is established by

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Covalent solids

Ionic solids

pseudo solids

Molecular solids

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22. Which of the following is noncrystaline solid

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Option 1

Option 2

Option 3

Option 4

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23.

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7.412

8.412

9.412

10.412

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24. Which one of the following material conducts electricity?

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Diamond

Crystalline sodium chloride

Barium sulphate

Fused potassium chloride

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25. The highest electrical conductivity of the following aqueous solution is of

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0.1 M acetic acid

0.1 M Chloroacetic acid

0.1 M Fluoroacetic acid

0.1 M difluoroacetic acid

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26.

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Zero

1.5

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27. For a reaction 3A products, it is found that the rate of reaction doubles. If Concentration of A is increased four times, order of reaction will be

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1/2

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28.The rate of physisorption increases with

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Decrease in temperature

increase in temperature

Decrease in pressure

Decrease in Surface area

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29. The extent of adsorption of a gas on a solid depends on

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Nature of gas

Pressure of gas

Temperature of gas

All are correct

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30. Which ore contains both iron and copper?

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Cuprite

Chalcocite

Chalcopyrite

Malachite

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31. The most abundant element on earth crust is

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Hydrogen

Oxygen

Silicon

Carbon

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32. Which of the following statement is in correct?

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Nitric Oxide is heavier than oxygen

The formal of Heavy Water in Deuterium Oxide

Nitrogen diffuses faster than oxygen through an orifice

Ammonia can be used as a refrigerant

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33. Among the trihalides of Nitrogen, which is the least basic?

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Option 1

Option 2

Option 3

Option 4

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34. Zinc-Copper couple that can be used as a reducing agent is obtained by

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Mixing of zinc dust and copper gauge

Zinc coated with copper

copper coated with Zinc

Zinc and copper wires welded together

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35. Variable valency is generally shown by

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S-block element

p-block element

Transition elements

All elements in periodic table

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36. The pair of compounds having metals in their highest oxidation state is

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Option 1

Option 2

Option 3

Option 4

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37. Which of the following complexes show six coordination numbers?

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Option 1

Option 2

Option 3

Option 4

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38. The negative ligand is

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Aqua

Suphato

Carboxyl

Nitro sodium

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39. Dehydrohalogination in monohaloalkalines produces

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A single bond

A double bond

A triple bond

Fragmentation

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40. The catalyst used in the preparation of an alkyl chloride by the action of dry HCl on an alcohol is

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Option 1

Option 2

Option 3

Option 4

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41. Which of the following compounds is oxidized to prepare methyl ethyl ketone?

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2-propanol

1-butanol

2-butanol

Tert-butyl alcohol

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42.

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Option 1

Option 2

Option 4

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43. Lucas test is used for

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Alcohols

Amines

Diethyl ether

Glacial acetic acid

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44. The Reagent with which both acetaldehyde and acetone react easily is

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Fehling’s reagent

Grignard reagent

Schiff’s reagent

Tollens’s reagent 4

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45. When acetaldehyde is heated with Fehling’s solution it gives a precipitate of

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Option 1

Option 2

Option 3

Option 4

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46.

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Benzyl Alcohol

Benzaldehyde

Benzoic acid

Phenol

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47. In hypobromite reaction of amide, carbonyl carbon atom is lost as

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Option 1

Option 2

Option 3

Option 4

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48. Which of the following compounds on reduction gives an amine

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Alkyl cyanide

Aldoxime

Alkyl iso cyanide

All above

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49. N-Ethyl phthalimide on hydrolysis gives

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Methyl alcohol

Ethyl amine

Dimethyl amine

Diethyl amine

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50. Vitamin C is:

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Ascorbic acid

Lactic acid

Citric acid

Paracetamol

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51. Which one of the following metal Ions is essential inside the cell for the metabolism of glucose/ synthesis of proteins

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Option 1

Option 2

Option 3

Option 4

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52. Which of the following bases is not present in DNA?

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Cytosin

Guanine

Uracil

Adenine

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53. Cis-1, 4-polyisoprene’ is

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Thermoplastic

Thermosetting plastic

Elastic (Rubber)

Resin

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54. Which of the following is a natural polymer?

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Polyester

Glyptal

Starch

Nylon-6

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55. Which of the following polymer is an example of fiber?

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Silk

Dacron

Nylon-6,6

All of these

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56. Polyethylene is

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Random copolymer

Homopolymer

Alternate copolymer

Cross linked copolymer

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57. Which of the following is not tranquilizer?

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Luminol

Seconal

Reserpine

Piperazine

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58. A substance which can act both as an analgesic and antipyretic is

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Quinine

Apirine

Penicillin

Insulin

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59. Chemically heroin is

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Marphine diacetate

Marphine monoacetate

Marphine dibenzoate

Marphine monobenzoate

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60. Which of the following is hypnotic drug

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Luminol

Salol

Piperazine

Novalgin

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