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

00:00
Question # 1

The acid used in lead storage cells is

Question # 2

Carbonates of alkali metals dissolves freely in water to form

Question # 3

Borax is hydrated:

Question # 4

The silver bromide in hypo (Na2S2O3) solution is

Question # 5

Red P can be obtained form white P by

Question # 6

The acid which has a peroxy linkage is

Question # 7

Which of the following has highest dipole moment?

Question # 8

Orthophosphoric acid is

Question # 9

Phosphorus pentoxide finds use as

Question # 10

Which property is not present in Al?

Question # 11

The alkali metals form

Question # 12

Lime, calcium oxide, is used in agriculture for

Question # 13

Which of the following salt is soluble in water

Question # 14

White P when boiled with strong solution of caustic soda produces

Question # 15

BiCl3on hydrolysis forms a white precipitate of

Question # 16

As a fixing agent in photography, sodium thisoulphate is used for

Question # 17

The element caesium bears resemblance with

Question # 18

Gypsum is applied to the soil to provide calcium and

Question # 19

Sodium forms largely

Question # 20

The ore CaSO42H2O has the general name

Question # 21

The chemical formula of Epson salt is

Question # 22

The element which has a simple cubic lattice in solid state is

Question # 23

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 24

Which shows maximum catenation property?

Question # 25

Density of aluminium is (g cm-3):

Question # 26

Chemical composition of colemnite is:

Question # 27

Which of the element is not alkali metal

Question # 28

White phosphorus is

Question # 29

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

Question # 30

Which of the following is not the reactions of lithium

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which metal is used in the thermit process because of its activity?
A. Iron
B. Copper
C. Alumnium
D. Zinc
2 Calcium carbide reacts with water to produce
A. Acetylene
B. Methane
C. Ethylene
D. Ethane
3 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic
4 Sodium hexametaphophate is known as
A. Calgon
B. Permutite
C. Natalite
D. Nitrolim
5 In the earth crust sodium is
A. 2.50%
B. 2.30%
C. 2.40%
D. 3.50%
6 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
7 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3
8 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
9 The number of electron that are paired in oxygen molecule are
A. 16
B. 12
C. 14
D. 7
10 When SO2is passed through acidified K2Cr2O7solution
A. The solution turns blue
B. The solution is decolourised
C. SO2is reduced
D. Green Cr2(SO4)3is formed

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