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

What is chrome yellow?

Question # 2

Which colour is imparted by sodium

Question # 3

Which has soapy touch?

Question # 4

Which of the following sulphates has the highest solubility in water

Question # 5

Basicity of orthoposphoric acid is

Question # 6

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 7

The oxidation number of each element of group l-A is

Question # 8

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

Question # 9

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 10

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

Question # 11

Which carbonate of alkali metals is insoluble in water

Question # 12

Which of the following has highest dipole moment?

Question # 13

White phosphorus is

Question # 14

Which of the following oxides is peroxide?

Question # 15

Which is not the form of silica?

Question # 16

The acid which has a peroxy linkage is

Question # 17

The chemical formula of gypsum is

Question # 18

Down's cell is used to prepare

Question # 19

A compound used as eye wash:

Question # 20

Where lime is not used

Question # 21

P2O5is heated with water to give

Question # 22

S-block elements consist of

Question # 23

Which of the following element is most reactive

Question # 24

CaC2on hydrolysis form

Question # 25

Which is litharge or massicot?

Question # 26

LiOH ______ soluble than NaOH

Question # 27

Lime, calcium oxide, is used in agriculture for

Question # 28

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 29

Heavy water is obtained by

Question # 30

Which property is not present in Al?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
2 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them
3 When sulphur is boiled with Na2SO3solution, the compound formed is
A. Sodium sulphides
B. Sodiums sulphates
C. Sodium persulphate
D. Sodium thiosulphate
4 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
5 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
6 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
7 Chemical composition of colemnite is:
A. Ca2B6O11.5H2O
B. CaB4O7 .4 H2O
C. Na2B7O7. 4 H2O
D. CaNaB5O9.8H2O
8 When a colourless gas is passed through bromine water only decolourisation takes place the gas is
A. SO2
B. HBR
C. HCl
D. H2S
9 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus
10 What is chrome yellow?
A. Pbo
B. Pb2O
C. PbCrO4
D. Pb3O4

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