Question # 1

___________ is a pure substance that can be broken down.

Choose an answer

Matter

Element

Mass

Mixture

The no.of electrons in the valence shell of noble gases is

Choose an answer

1

6

7

8

Electropositive character depends upon:

Choose an answer

Atomic size

Nuclear charge

Ionization energy

Electron affinity

The valency of nitrogen is

Choose an answer

1

2

3

4

In double covalent bond, every atom provides

Choose an answer

1 electrons

2 electrons

4 electrons

6 electrons

In the redox reaction between zn and HCI. the oxidizing agent is:

Choose an answer

zn

H⁺

C

H²

The base of modern periodic table is

Choose an answer

Atomic number (Z)

Mass number (A)

Avogadro's Number

Quantum Number

____________ is prevented by Metallic coating.

Choose an answer

NaCl

Rust

All

None of these

Water dissolves ____________ compound.

Choose an answer

Ionic

Polar covalent

A & B

Nil

_________ can be separated by physical means.

Choose an answer

Mixture

Compound

Solution

Nil

The most abundant element occurring in the oceans is:

Choose an answer

Oxygen

Hydrogen

Nitrogen

Silicon

Solids are fixed ____________

Choose an answer

Shape

Velocity

Mass

Atoms

Oxidation means

Choose an answer

Gain of oxygen

Removal of oxygen

Gain of hydrogen

Gain of electrons

More Classes

Other Links

Chemistry 9th Class English Medium 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