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

The chemical formula of gypsum is

Question # 2

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

Question # 3

White P when boiled with strong solution of caustic soda produces

Question # 4

Sulphuric acid reacts with PCl5to give

Question # 5

A compound used as eye wash:

Question # 6

Ozone is not

Question # 7

Which of the following is a tetrabasic acid?

Question # 8

Calcium carbide reacts with water to produce

Question # 9

What is going to replace the petroleum?

Question # 10

In the earth crust sodium is

Question # 11

Which of the following is acidic?

Question # 12

Sulphuric acid has great affinity for water because

Question # 13

Chemical composition of colemnite is:

Question # 14

The formula of lime stone is

Question # 15

Plaster of pares is obtained by heating

Question # 16

Gypsum is a common mineral of

Question # 17

HNO2acts as an/a

Question # 18

Which of the following is formed by the action of water on sodium peroxide?

Question # 19

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

Question # 20

Which is an essential constituent of chlorophyll

Question # 21

Where lime is not used

Question # 22

All the elements of oxygen family are

Question # 23

NaHCO3is commonly called

Question # 24

Which of the following sulphates has the highest solubility in water

Question # 25

Which of the following is not the reactions of lithium

Question # 26

Dipole moment of CO molecule is:

Question # 27

Which element form group 15 gives most basic compound with hydrogen?

Question # 28

Copper oxide is dedected by borax bead test with colour:

Question # 29

The chemical formula of chile salt peter is

Question # 30

Which of the following has highest dipole moment?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 CaC2on hydrolysis form
A. CH4
B. C2H4
C. C2H2
D. C6H6
2 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
3 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
4 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3
5 Which carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3
6 ______ reacts with alkalis to give hydrogen
A. Be
B. Mg
C. Ca
D. None
7 When ammonia is heated with cupric oxide, a molecule of ammonia will
A. Gain 3 electrons
B. Lose 3 electrons
C. Gain 2 electrons
D. Lose 2 electrons
8 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic
9 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
10 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen

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