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

Copper oxide is dedected by borax bead test with colour:

Question # 2

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

Question # 3

Which of all following compound is not possible

Question # 4

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

Question # 5

What is chrome yellow?

Question # 6

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

Question # 7

Which element has highest oxidation potential

Question # 8

CaC2on hydrolysis form

Question # 9

Which will have the maximum value of heat of hydration

Question # 10

Gypsum is a common mineral of

Question # 11

Calcium carbide reacts with water to produce

Question # 12

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

Question # 13

Which salt is used for the treatment of hyperacidity in stomach

Question # 14

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

Question # 15

Which of the following is the hardest metal among following

Question # 16

Hybridized in oxygen is:

Question # 17

Which is used to remove air bubbles form metals?

Question # 18

Sodium forms largely

Question # 19

Which is an essential constituent of chlorophyll

Question # 20

Chemical composition of colemnite is:

Question # 21

The chemical formula of Trona is

Question # 22

Corrundam is ore of:

Question # 23

Hybridized in carbon is:

Question # 24

Chief ore of aluminium is:

Question # 25

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

Question # 26

NaHCO3is prepared by

Question # 27

Orthophosphoric acid is

Question # 28

BiCl3on hydrolysis forms a white precipitate of

Question # 29

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 30

Lithium reacts with air to form

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Aluminium oxide is:
A. Acidic oxide
B. Basic oxide
C. Amphoteric oxided
D. None of these
2 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
3 Each of the following is true of white and red phosphours except that they
A. Are both soluble in CS2
B. Can be oxidized by heating in air
C. Consist of the same kind of atoms
D. Can be converted into one another
4 Which colour is imparted by sodium
A. Yellow
B. Violet
C. Red
D. Crimson
5 Which of the following oxides is peroxide?
A. Na2O2
B. MnO2
C. BaO
D. SO2
6 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
7 Chief ore of aluminium is:
A. Na3AIF6
B. Al2O3.2H2O
C. Al2O3
D. Al2O3 .H2O
8 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
9 Which shows maximum catenation property?
A. S
B. Se
C. Te
D. O
10 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

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