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 element has highest oxidation potential

Question # 2

Which of the following is lighter

Question # 3

Sodium hexametaphophate is known as

Question # 4

The formula of lime stone is

Question # 5

Phosphide ion has the electronic structure similar to that of

Question # 6

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

Question # 7

Which of the following is not the reactions of lithium

Question # 8

Sulphuric acid reacts with PCl5to give

Question # 9

Which is an essential constituent of chlorophyll

Question # 10

Which element forms an iron with charge 3+?

Question # 11

Phosphine is not obtained by the reaction when

Question # 12

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

Question # 13

The element caesium bears resemblance with

Question # 14

Which of the following is acidic?

Question # 15

Borax is hydrated:

Question # 16

Corrundam is ore of:

Question # 17

Which colour is imparted by sodium

Question # 18

Which one of the following is not an alkali metal

Question # 19

Hybridized in carbon is:

Question # 20

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

Question # 21

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

Question # 22

Lithium reacts with air to form

Question # 23

______ is called milk of magnesia

Question # 24

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

Question # 25

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 26

Boric acid cannot be used:

Question # 27

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 28

Which of the following sulphates has the highest solubility in water

Question # 29

Which of the following is a tetrabasic acid?

Question # 30

Chief ore of aluminium is:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
2 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All
3 ______ is used in breathing equipments for mountaineers and in space craft
A. Li2O
B. BeO
C. N2
D. KO2
4 All the following decompose easily on heating to give oxygen except
A. Lead nitrate
B. Potassium chlorate
C. Mercuric oxide
D. Manganese dioxide
5 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
6 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
7 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
8 Calcium carbide reacts with water to produce
A. Acetylene
B. Methane
C. Ethylene
D. Ethane
9 Commercial common salt becomes slight damp on storing because
A. Common salt is hygroscope
B. Common salt contains some impurity, which is hygroscopic
C. Salt in efflorescent
D. Salt is crystalline
10 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3

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