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

Bond angle is minimum for

Question # 2

Al is the most element in earth crust:

Question # 3

The metal with highest electrical resistance at room temperature is

Question # 4

Which of the following sulphates has the highest solubility in water

Question # 5

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

Question # 6

HNO2acts as an/a

Question # 7

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

Question # 8

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

Question # 9

Which of the following is formed by the action of water on sodium peroxide?

Question # 10

Gypsum is a common mineral of

Question # 11

The chemical formula of gypsum is

Question # 12

Borax is hydrated:

Question # 13

Red P can be obtained form white P by

Question # 14

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 15

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

Question # 16

Which of the following salt is soluble in water

Question # 17

Which has soapy touch?

Question # 18

Chemical composition of colemnite is:

Question # 19

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

Question # 20

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

Question # 21

The chemical formula of magnesite is

Question # 22

Which of the element is not alkali metal

Question # 23

The acid used in lead storage cells is

Question # 24

Chief ore of aluminium is:

Question # 25

Polyanion formation is maximum in

Question # 26

Which element has highest oxidation potential

Question # 27

When SO2is passed through acidified K2Cr2O7solution

Question # 28

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 29

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 # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
2 Some of the elements of a period show similar behavior with the elements of next group in next period this is called
A. Vertical relationship
B. Oblique relationship
C. Diagonal relationship
D. None
3 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3
4 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
5 Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because
A. Sodium chloride does not ionize in the water solution
B. Sodium chloride is not soluble in water
C. Sodium deposited at the cathode may react with water to form sodium hydroxide
D. Electricity does not pass through aqueous NaCl
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 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
8 Density of aluminium is (g cm-3):
A. B
B. Al
C. Si
D. Ge
9 Which of the following compounds is explosive in nature?
A. Phosphorus trichloride
B. Nitrogen trichloride
C. Hyponitrous acid
D. Nitrosyl chloride
10 White phosphorus is
A. A mono atomic gas
B. P4, a tetrahedral solid
C. P8, a crown
D. A linear diatomic molecule

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