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

The element caesium bears resemblance with

Question # 2

Borax is hydrated:

Question # 3

A compound used as eye wash:

Question # 4

White P when boiled with strong solution of caustic soda produces

Question # 5

Which element has highest oxidation potential

Question # 6

Which of the following equations represents the action of heat on NaHCO3

Question # 7

Hybridized in oxygen is:

Question # 8

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

Question # 9

Which one of the following pentafluorides cannot be formed?

Question # 10

Each of the following is true of white and red phosphours except that they

Question # 11

S-block elements consist of

Question # 12

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

Question # 13

Which of the following phosphorus is most reactive?

Question # 14

What causes nitrogen to be chemically inert?

Question # 15

White phosphorus is

Question # 16

Identify the incorrect statement with respect to ozone

Question # 17

NaHCO3is commonly called

Question # 18

Which of the element is not an alkaline earth metal

Question # 19

Chief ore of aluminium is:

Question # 20

Plaster of pares is obtained by heating

Question # 21

Hypo is used in photography for

Question # 22

The structure of white phosphorus is

Question # 23

Boric acid cannot be used:

Question # 24

The chemical formula of Trona is

Question # 25

Which of the following salt is soluble in water

Question # 26

Phosphorus pentoxide finds use as

Question # 27

Which colour is imparted by sodium

Question # 28

Crystalline form of sulphur stable at room temperature is

Question # 29

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 # 30

Which salt is used for preserving food

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
2 Heavy water is obtained by
A. Prolonged electrolysis of water
B. Dissolving heavy salt in water
C. Simple distillation of water
D. Removing impurities of calcium and magnesium form water
3 Which of the following are electropositive in nature
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Alkali and alkaline earth metals
4 NaHCO3is commonly called
A. Soda ash
B. Baking soda
C. Washing soda
D. None of these
5 Which of the following is formed by the action of water on sodium peroxide?
A. H2
B. N2
C. O2
D. CO2
6 Hybridized in oxygen is:
A. sp
B. sp2
C. sp3
D. dsp3
7 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
8 BiCl3on hydrolysis forms a white precipitate of
A. Bismuthio acid
B. Bismuth oxychloride
C. Bismuth pentachloride
D. Bismuth hydroxide
9 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
10 Red P can be obtained form white P by
A. Heating it with a catalyst in an inert atmosphere
B. Distilling it in an inert atmosphere
C. Dissolving it in CS2and crysllizing
D. Melting it ad pouring the liquid into water

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