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 is not the form of silica?

Question # 2

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

Question # 3

Crystalline form of sulphur stable at room temperature is

Question # 4

When SO2is passed through acidified K2Cr2O7solution

Question # 5

Which is litharge or massicot?

Question # 6

Lime, calcium oxide, is used in agriculture for

Question # 7

Polyanion formation is maximum in

Question # 8

Which of the following salt is soluble in water

Question # 9

Hybridized in oxygen is:

Question # 10

Which element forms an iron with charge 3+?

Question # 11

Identify the incorrect statement with respect to ozone

Question # 12

Which carbonate of alkali metals is insoluble in water

Question # 13

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

Question # 14

The silver bromide in hypo (Na2S2O3) solution is

Question # 15

All the following decompose easily on heating to give oxygen except

Question # 16

The chemical formula of chile salt peter is

Question # 17

Basicity of orthoposphoric acid is

Question # 18

Which of the following phosphorus is most reactive?

Question # 19

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 20

Which of the following is acidic?

Question # 21

What causes nitrogen to be chemically inert?

Question # 22

Which salt is used for the treatment of hyperacidity in stomach

Question # 23

Which is an essential constituent of chlorophyll

Question # 24

Borax is hydrated:

Question # 25

Calcium carbide reacts with water to produce

Question # 26

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

Question # 27

Hybridized in carbon is:

Question # 28

What is chrome yellow?

Question # 29

The alkali metals form

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 carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3
2 Which of the following compounds is explosive in nature?
A. Phosphorus trichloride
B. Nitrogen trichloride
C. Hyponitrous acid
D. Nitrosyl chloride
3 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
4 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All
5 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4
6 Which of the following is lighter
A. Li
B. k
C. Na
D. Ca
7 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
8 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
9 Which of the following form normal oxide
A. K
B. Li
C. Na
D. None
10 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium

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