Question # 1

positive ion hare formed by _________ of electrons.

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Gain

Loss

Sharing

Bonding

One carbon is _________ times heavier than hydrogen.

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12

13

14

15

Potassium's atomic no. is :

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17

18

19

20

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

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Analytical

Nuclear

Biochemistry

Organic

................. can be decomposed into simpler substanmce.

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Compound

Element

Solution

Mixture

The molecular mass of water is

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16 amu

14 amu

18 amu

20 amu

In volvox asexual cell produced:

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Daughter colonies

Sperm

Egg

All

The most abundant element occurring in the oceans is:

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Oxygen

Hydrogen

Nitrogen

Silicon

Sort out a compound from the following

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Air

Salt

Ice-cream

Iron

An ion is a charged particles:

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True

False

In some conditions

Never

One amu (atomic mass unit) is equivalent to:

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1.66x10^-24 mg

1.66x 10^-24g

1.66x10 g

1.66x10^-23mg

The empirical formula of glucose is

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CHO

CH2O

C2HO

CHO2

The No. of atoms in 1 mole of carbiton is

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6.02 x 1021

6.02 x 1022

6.02 x 1023

6.02 x 1024

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9th Class Chemistry Chapter 1 Fundamentals of Chemsitry English Medium KPK Boards Online Mcqs MCQs With Answers

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