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 of the following compounds is explosive in nature?

Question # 2

Which shows maximum catenation property?

Question # 3

What causes nitrogen to be chemically inert?

Question # 4

Gypsum is applied to the soil to provide calcium and

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Corrundam is ore of:

Question # 9

Alkaline earth metals are usually

Question # 10

Chile saltpetre has the chemical formula

Question # 11

Which is used to remove air bubbles form metals?

Question # 12

Solvay process is used in the manufacture of

Question # 13

Which salt is used for preserving food

Question # 14

Bond angle is minimum for

Question # 15

LiOH ______ soluble than NaOH

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

NaHCO3is commonly called

Question # 21

All the following decompose easily on heating to give oxygen except

Question # 22

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 23

Where lime is not used

Question # 24

Which element forms an iron with charge 3+?

Question # 25

Which salt is used for the treatment of hyperacidity in stomach

Question # 26

Hypo is used in photography for

Question # 27

Carbonates of alkali metals dissolves freely in water to form

Question # 28

Sulphuric acid reacts with PCl5to give

Question # 29

Which of the following is a tetrabasic acid?

Question # 30

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The chemical formula of magnesite is
A. MgCl2
B. Mg(HCO3)2
C. MgCO3
D. None of these
2 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
3 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
4 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1
5 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite
6 Which of the following oxides is peroxide?
A. Na2O2
B. MnO2
C. BaO
D. SO2
7 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4
8 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
9 Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is
10 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None

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