Question # 1

_________ is an example of substance.

Choose an answer

Carbon

Hydrogrn

Oxygen

Water

Amadeo Avogadro was a _______________ scientist.

Choose an answer

Italian

English

Greek

Russian

Polyatomic molecules consist of _________ atoms.

Choose an answer

1

More than 1

Less than 1

2

Which one an example of heterogeneous mixture?

Choose an answer

Ice cream

Concrete

Both a & b

NiL

One amu (atomic mass unit) is equivalent to:

Choose an answer

1.66x10^-24 mg

1.66x 10^-24g

1.66x10 g

1.66x10^-23mg

The molecular mass of water is

Choose an answer

16 amu

14 amu

18 amu

20 amu

The mass of one molecule of water is:

Choose an answer

18 amu

18g

18mg

18kg

Sort out a compound from the following

Choose an answer

Air

Salt

Ice-cream

Iron

It is a triatomic molecule

Choose an answer

Sodium chloride

Water

Chalk

Glucose

Which of the following can be separated by physical means?

Choose an answer

Mixture

Element

Compound

Radical

The study of hydrocarbons and their derived compounds is called

Choose an answer

Physical chemistry

Inorganic chemistry

Organic chemistry

Biochemistry

The symbol of barium is:

Choose an answer

Ba

Bi

Br

B

___________ is a pure substance that can be broken down.

Choose an answer

Matter

Element

Mass

Mixture

More Classes

Other Links

Chemistry 9th Class English Medium Unit 1 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer