Question # 1

The period of Alchemists extends from _________ AD.

Choose an answer

800 to 1800

600 to 1600

900 to 1900

700 to 1700

Atoms as a whole is _________

Choose an answer

+

_

No

Neutral

A _________ is a pure substance is made up of two or more elements.

Choose an answer

Mixture

Elements

Solution

Compound

Which one an example of heterogeneous mixture?

Choose an answer

Ice cream

Concrete

Both a & b

NiL

Elements are represented by chemical _________

Choose an answer

Abbreviation

Unit

Symbols

It can be represented

One carbon is _________ times heavier than hydrogen.

Choose an answer

12

13

14

15

All of the following are tri-atomic molecules except:

Choose an answer

H²

O³

H²O

CO²

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

_________ can be separated by physical means.

Choose an answer

Mixture

Compound

Solution

Nil

The branch of chemistry which deals with qualitative & quantitative analysis of matter is :

Choose an answer

Analytical

Nuclear

Biochemistry

Organic

There are _________ types of bonds.

Choose an answer

1

2

3

4

All chemists invented all except:

Choose an answer

Beakers

Spirit lamp

Funnels

Retorts

Which one of the following pair has the same mass?

Choose an answer

1 mole of CO and 1 mole of N₂

1 mole of CO and 1 mole of CO₂

1 mole of O₂ and 1 mole of N₂

1 mole of O₂ and 1 mole of CO₂

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