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 salt is used for the treatment of hyperacidity in stomach

Question # 2

Which of the following is lighter

Question # 3

Which property is not present in Al?

Question # 4

Which of the following oxides is peroxide?

Question # 5

Which of the following is acidic?

Question # 6

NaHCO3is prepared by

Question # 7

Phosphide ion has the electronic structure similar to that of

Question # 8

Gypsum is applied to the soil to provide calcium and

Question # 9

Alkali metals react violently with halogens to form

Question # 10

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 11

Which is used to remove air bubbles form metals?

Question # 12

All the following decompose easily on heating to give oxygen except

Question # 13

Alkaline earth metals are usually

Question # 14

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

Question # 15

Phosphine is not obtained by the reaction when

Question # 16

The metal with highest electrical resistance at room temperature is

Question # 17

Carbonates of alkali metals dissolves freely in water to form

Question # 18

Lime, calcium oxide, is used in agriculture for

Question # 19

Heavy water is obtained by

Question # 20

The structure of white phosphorus is

Question # 21

Which is not the form of silica?

Question # 22

The acid which has a peroxy linkage is

Question # 23

Plaster of pares is obtained by heating

Question # 24

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

Question # 25

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

Question # 26

Sulphuric acid reacts with PCl5to give

Question # 27

Which element among the following belongs to Group IV-A of the periodic table?

Question # 28

Corrundam is ore of:

Question # 29

Calcium carbide reacts with water to produce

Question # 30

Phosphorus pentoxide finds use as

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
2 The most acidic of the following compounds is
A. P2O3
B. Sb2O3
C. B2O3
D. As2O3
3 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
4 Each of the following is true of white and red phosphours except that they
A. Are both soluble in CS2
B. Can be oxidized by heating in air
C. Consist of the same kind of atoms
D. Can be converted into one another
5 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
6 Boric acid cannot be used:
A. An antiseptic in medicine
B. For washing eyes
C. In soda bottles
D. For enamels and glazes
7 ______ is used in breathing equipments for mountaineers and in space craft
A. Li2O
B. BeO
C. N2
D. KO2
8 White phosphorus is
A. A mono atomic gas
B. P4, a tetrahedral solid
C. P8, a crown
D. A linear diatomic molecule
9 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2
10 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion

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