Question # 1

The quantity of a matter in a body is called ____________

Choose an answer

Mass

Weight

Atom

Molecule

105 elements were discovered by the year ________________

Choose an answer

1984

1974

1086

1996

In volvox asexual cell produced:

Choose an answer

Daughter colonies

Sperm

Egg

All

Amadeo Avogadro was a _______________ scientist.

Choose an answer

Italian

English

Greek

Russian

The symbol of sodium is :

Choose an answer

Sa

Na

Pa

Ca

All chemists invented all except:

Choose an answer

Beakers

Spirit lamp

Funnels

Retorts

The smallest under of an ionic compound is

Choose an answer

Atom

Formula unit

Ion

Molecule

Salt & water is a _________ mixture.

Choose an answer

Homogeneous

Heterogeneous

It is not mixture

Nil

There are _________ elements found till now .

Choose an answer

120

118

119

117

Free radical is a

Choose an answer

Extremely stable

Extremely reactive

Extremely inert

All of these

Number of protons+ neutrons is :

Choose an answer

Atomic mass

Mass numbers

Both

Nil

The valency of nitrogen is

Choose an answer

1

2

3

4

Which of the following can be separated by physical means?

Choose an answer

Mixture

Element

Compound

Radical

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