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

NaHCO3is commonly called

Question # 2

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 3

Which shows maximum catenation property?

Question # 4

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

Question # 5

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

Question # 6

Crystalline form of sulphur stable at room temperature is

Question # 7

Which one of the following pentafluorides cannot be formed?

Question # 8

Which is used in navigational equipments?

Question # 9

Which carbonate of alkali metals is insoluble in water

Question # 10

Tincal is a mineral of:

Question # 11

Heavy water is obtained by

Question # 12

S-block elements consist of

Question # 13

Marble is chemically

Question # 14

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

Question # 15

Which of all following compound is not possible

Question # 16

The chemical formula of Trona is

Question # 17

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 18

______ is used in breathing equipments for mountaineers and in space craft

Question # 19

Sulphuric acid has great affinity for water because

Question # 20

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 21

Borax is hydrated:

Question # 22

Sodium hexametaphophate is known as

Question # 23

Which element forms an iron with charge 3+?

Question # 24

Chile saltpetre has the chemical formula

Question # 25

When ammonia is heated with cupric oxide, a molecule of ammonia will

Question # 26

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 27

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

Question # 28

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

Question # 29

Which of the following oxides is peroxide?

Question # 30

Which of the following sulphates has the highest solubility in water

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
3 The chemical formula of Epson salt is
A. MgSO4
B. MgCl2
C. MgSO4. 7H2O
D. MgCl2. 7H2O
4 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them
5 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
6 When SO2is passed through acidified K2Cr2O7solution
A. The solution turns blue
B. The solution is decolourised
C. SO2is reduced
D. Green Cr2(SO4)3is formed
7 Bond angle is minimum for
A. H2O
B. H2S
C. H2Se
D. H2Te
8 When sulphur is boiled with Na2SO3solution, the compound formed is
A. Sodium sulphides
B. Sodiums sulphates
C. Sodium persulphate
D. Sodium thiosulphate
9 Tincal is a mineral of:
A. Al
B. B
C. Si
D. C
10 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All

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