ECAT Pre Engineering Chemistry Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

Try The MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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Question # 1

NaHCO3is prepared by

Question # 2

The formula of lime stone is

Question # 3

LiOH ______ soluble than NaOH

Question # 4

______ is used in breathing equipments for mountaineers and in space craft

Question # 5

All the elements of oxygen family are

Question # 6

What is the formula of asbestos?

Question # 7

The number of electron that are paired in oxygen molecule are

Question # 8

Which of the following elements is not present abundantly in earth's crust?

Question # 9

Sodium forms largely

Question # 10

Which of the following equations represents the action of heat on NaHCO3

Question # 11

Gypsum is applied to the soil to provide calcium and

Question # 12

The maximum number of electrons in the outermost shall of s-black elements is

Question # 13

The electrolytic cell used for the production of metallic sodium is known as

Question # 14

Red P can be obtained form white P by

Question # 15

Sodium hexametaphophate is known as

Question # 16

Which of the following elements is most metallic?

Question # 17

Hybridized in oxygen is:

Question # 18

Chemical composition of colemnite is:

Question # 19

______ reacts with alkalis to give hydrogen

Question # 20

Hybridized in carbon is:

Question # 21

Which of the following is lighter

Question # 22

Ozone is not

Question # 23

Lime, calcium oxide, is used in agriculture for

Question # 24

CaC2on hydrolysis form

Question # 25

Aluminium oxide is:

Question # 26

Baking powder has which one of the following formula

Question # 27

Which of the following is a tetrabasic acid?

Question # 28

The metal with highest electrical resistance at room temperature is

Question # 29

Carbonates of alkali metals dissolves freely in water to form

Question # 30

Each of the following is true of white and red phosphours except that they

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Corrundam is ore of:
A. Li
B. Be
C. B
D. Al
2 Which one of the following properties is not correct for ozone?
A. It oxidizes lead sulphides
B. It oxidizes potassium iodide
C. It oxidizes mercury
D. It cannot act as a bleaching agent
3 Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become
A. Stronger reducing agents
B. More ionic
C. More basic
D. More volatile
4 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
5 Which of the following is not the reactions of lithium
6 Which of the following are electropositive in nature
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Alkali and alkaline earth metals
7 Which one of the following elements occurs free in nature?
A. N
B. P
C. As
D. Sb
8 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
9 Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is
10 Orthophosphoric acid is
A. Monobasic
B. Dibasic
C. Tribasic
D. Tetrabasic

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