6. Composition of matter

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Name *

School Name *

What is Shapes of solid state of matter? *

2 points

definite

indefinite

What is volumes of solid state of matter? *

2 points

definite

indefinite

What is volumes of liquid state of matter? *

2 points

definite

indefinite

What is volumes of gaseous state of matter? *

2 points

definite

Indefinite

Solid =__? *

2 points

elastic

All the above

Rigid

plastic

liquid=__? *

2 points

elastic

Rigid

plastic

Fluid

gaseous=__? *

2 points

plastic

Rigid

Fluid

elastic

Method the criterion used for classification of matter is chemical composition of matter. *

2 points

true

false

matter classified into types which is ___? *

2 points

element

All the above

compound

mixture

matter is classified types ________ by considering whether the smallest particles of matter are similar or different and what are they made of. *

2 points

element

mixture

All the above

compound

The smallest particles of an element contain identical atoms its example is____? *

2 points

each molecule of oxygen contains two oxygen atoms in bonded state.

constituent molecules of the mixture e.g. N2, O2, Ar, H2O, CO2

each molecule water contain two hydrogen atoms joined one atom oxygen.

The smallest particles(molecules) of a compound are formed by joining two or more types of atoms to each other its example is __? *

2 points

each molecule of oxygen contains two oxygen atoms in bonded state

constituent molecules of the mixture e.g. N2, O2, Ar, H2O, CO2

each molecule water contain two hydrogen atoms joined one atom oxygen.

The smallest particles of a mixture are atoms/molecules of two or more elements/compounds. its example is __? *

2 points

each molecule of oxygen contains two oxygen atoms in bonded state

constituent molecules of the mixture e.g. N2, O2, Ar, H2O, CO2

each molecule water contain two hydrogen atoms joined one atom oxygen.

The mixture (an alloy) brass contain atoms of _____ *

2 points

copper (Cu) and tin (Sn).

zinc (Zn) and tin (Sn).

copper (Cu) and zinc (Zn)

Bronze contain atoms of the elements _______. *

2 points

zinc (Zn) and tin (Sn).

copper (Cu) and zinc (Zn)

copper (Cu) and tin (Sn).

A compound Pure water is a compound formed by chemical combination of the elements _______. *

2 points

nitrogen and oxygen.

hydrogen and nitrogen

hydrogen and oxygen.

All the above

The compound water formed by chemical combination of the gaseous elements _________ is a liquid. It is neither inflammable nor does it support combustion. On the contrary it helps to extinguish fire. *

2 points

nitrogen and oxygen.

hydrogen and nitrogen

All the above

hydrogen and oxygen.

_________is an inflammable gas while oxygen gas supports combustion. *

2 points

nitrogen

oxygen.

hydrogen

All the above

The proportion of constituent elements oxygen and hydrogen by weight is always _______. *

2 points

8:8

8:1

8:7

9:1

A ______Pure water is a compound formed by chemical combination of the elements hydrogen and oxygen. *

2 points

mixture

compound

Option 3

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