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 property is not present in Al?

Question # 2

Which on of the following compounds does not exist?

Question # 3

Dipole moment of CO molecule is:

Question # 4

Hypo is used in photography for

Question # 5

Which one of the following does not belong to alkaline earth metals

Question # 6

HNO2acts as an/a

Question # 7

Which salt is used for preserving food

Question # 8

The maximum number of electrons in the outermost shall of s-black elements is

Question # 9

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

Question # 10

Which of the following element is most reactive

Question # 11

Which of the following is lighter

Question # 12

Which of the following is a tetrabasic acid?

Question # 13

Sodium is never found free in nature because of its

Question # 14

Which of the following sulphates has the highest solubility in water

Question # 15

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

Question # 16

______ is called milk of magnesia

Question # 17

Solvay process is used in the manufacture of

Question # 18

What causes nitrogen to be chemically inert?

Question # 19

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

Question # 20

White P when boiled with strong solution of caustic soda produces

Question # 21

Lime, calcium oxide, is used in agriculture for

Question # 22

The structure of white phosphorus is

Question # 23

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

Question # 24

Electron affinity of sulphur is

Question # 25

Which of the following salt is used as purgative

Question # 26

Which is used in navigational equipments?

Question # 27

Silicon atom is hybridized:

Question # 28

Heavy water is obtained by

Question # 29

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

Question # 30

Which of the following is the hardest metal among following

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which is used to remove air bubbles form metals?
A. B
B. Be
C. Mg
D. Al
2 When a colourless gas is passed through bromine water only decolourisation takes place the gas is
A. SO2
B. HBR
C. HCl
D. H2S
3 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4
4 What is going to replace the petroleum?
A. Silica
B. Silicates
C. Silicones
D. Silicon
5 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
6 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
7 Calcium carbide reacts with water to produce
A. Acetylene
B. Methane
C. Ethylene
D. Ethane
8 A compound used as eye wash:
A. Borax
B. Boric acid
C. Metabolic acid
D. Pyroboric acid
9 Ozone is not
A. An allotrope
B. A powerful oxidizing agent
C. Paramagnetic
D. A bent molecule
10 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs

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