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

Sodium is never found free in nature because of its

Question # 2

Alkaline earth metals posses two electrons in their outermost

Question # 3

Which of the following compounds is explosive in nature?

Question # 4

NaHCO3is commonly called

Question # 5

The chemical formula of chile salt peter is

Question # 6

Polyanion formation is maximum in

Question # 7

Lithium reacts with air to form

Question # 8

Which property is not present in Al?

Question # 9

P2O5is heated with water to give

Question # 10

Chief ore of aluminium is:

Question # 11

What is going to replace the petroleum?

Question # 12

The oxide of beryllium is

Question # 13

Orthophosphoric acid is

Question # 14

Which on of the following compounds does not exist?

Question # 15

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 # 16

Which salt is used for the treatment of hyperacidity in stomach

Question # 17

Which of the following is not the reactions of lithium

Question # 18

The structure of white phosphorus is

Question # 19

Which one of the following pentafluorides cannot be formed?

Question # 20

Which of the following oxides is peroxide?

Question # 21

Hypo is used in photography for

Question # 22

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

Question # 23

Which of all following compound is not possible

Question # 24

Which of the following sulphates is not soluble in water

Question # 25

Hybridized in carbon is:

Question # 26

Which of the following elements is not present abundantly in earth's crust?

Question # 27

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

Question # 28

The metal with highest electrical resistance at room temperature is

Question # 29

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

Question # 30

Heavy water is obtained by

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which one of the following pentafluorides cannot be formed?
A. PF5
B. AsF5
C. SbF5
D. BiF5
2 When ammonia is heated with cupric oxide, a molecule of ammonia will
A. Gain 3 electrons
B. Lose 3 electrons
C. Gain 2 electrons
D. Lose 2 electrons
3 Hypo is used in photography for
A. Developing picture
B. Picture printed
C. The colour of picture
D. The fixation of picture
4 In a group IIA from top to bottom as the atomic number increases, there is regular decreases in
A. Ionic size
B. Atomic size
C. Ionization potential
D. None of these
5 Hybridized in oxygen is:
A. sp
B. sp2
C. sp3
D. dsp3
6 Which of the following compounds is explosive in nature?
A. Phosphorus trichloride
B. Nitrogen trichloride
C. Hyponitrous acid
D. Nitrosyl chloride
7 What is chrome yellow?
A. Pbo
B. Pb2O
C. PbCrO4
D. Pb3O4
8 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
9 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these
10 P2O5is heated with water to give
A. Hypophosphorus acid
B. Phosphorus acid
C. Hypophosphorus acid
D. Orthophosphorus acid

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