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

Which metal is used in the thermit process because of its activity?

Question # 2

Chemical composition of colemnite is:

Question # 3

Identify the incorrect statement with respect to ozone

Question # 4

Which of the element is not an alkaline earth metal

Question # 5

Which of the following are electropositive in nature

Question # 6

Which carbonate of alkali metals is insoluble in water

Question # 7

Copper oxide is dedected by borax bead test with colour:

Question # 8

Which is litharge or massicot?

Question # 9

Which of the following is acidic?

Question # 10

Gypsum is a common mineral of

Question # 11

Oleum is

Question # 12

The acid used in lead storage cells is

Question # 13

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

Question # 14

Down's cell is used to prepare

Question # 15

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 16

The chemical formula of Trona is

Question # 17

CaC2on hydrolysis form

Question # 18

Marble is chemically

Question # 19

Carbonates of alkali metals dissolves freely in water to form

Question # 20

Which colour is imparted by sodium

Question # 21

Chile saltpetre has the chemical formula

Question # 22

Which of the following oxides is peroxide?

Question # 23

Where lime is not used

Question # 24

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

Question # 25

The chemical formula of magnesite is

Question # 26

Sodium hexametaphophate is known as

Question # 27

Calcium carbide reacts with water to produce

Question # 28

What is the formula of asbestos?

Question # 29

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

Question # 30

Which of the following fluorides does not exists?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?
A. Nitric oxide
B. Nitrous oxide
C. Nitrogen dioxide
D. Dinitrogen tetraoxide
2 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
3 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr
4 Orthophosphoric acid is
A. Monobasic
B. Dibasic
C. Tribasic
D. Tetrabasic
5 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
6 Phosphine is not obtained by the reaction when
A. White P is heated with NaOH
B. Red P is heated with NaOH
C. Ca2P2reacts with water
D. PH4l is boiled with water
7 Which carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3
8 ______ is called milk of magnesia
A. NaOH
B. KOH
C. LiOH
D. None
9 Sodium hexametaphophate is known as
A. Calgon
B. Permutite
C. Natalite
D. Nitrolim
10 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these

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