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

00:00
Question # 1

White phosphorus is

Question # 2

______ is called milk of magnesia

Question # 3

Orthophosphoric acid is

Question # 4

A compound used as eye wash:

Question # 5

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 6

The element caesium bears resemblance with

Question # 7

LiOH ______ soluble than NaOH

Question # 8

Oleum is

Question # 9

Chemical composition of colemnite is:

Question # 10

Gypsum is a common mineral of

Question # 11

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

Question # 12

What is going to replace the petroleum?

Question # 13

Calcium carbide reacts with water to produce

Question # 14

Which salt is used for preserving food

Question # 15

Which of the following is a tetrabasic acid?

Question # 16

Chile saltpetre has the chemical formula

Question # 17

______ reacts with alkalis to give hydrogen

Question # 18

The chemical formula of Epson salt is

Question # 19

NaHCO3is commonly called

Question # 20

Sulphuric acid has great affinity for water because

Question # 21

NaHCO3is prepared by

Question # 22

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

Question # 23

Which will have the maximum value of heat of hydration

Question # 24

Copper oxide is dedected by borax bead test with colour:

Question # 25

Which on of the following compounds does not exist?

Question # 26

Polyanion formation is maximum in

Question # 27

The structure of white phosphorus is

Question # 28

P2O5is heated with water to give

Question # 29

Which of the following compounds is explosive in nature?

Question # 30

Electron affinity of sulphur is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
3 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
4 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
5 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
6 Which of the following statement is not related to Solvay's process of Na2CO3
A. Cheap materials
B. Pure product
C. Continuous process
D. Harmful by-products
7 The most acidic of the following compounds is
A. P2O3
B. Sb2O3
C. B2O3
D. As2O3
8 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
9 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
10 Hybridized in oxygen is:
A. sp
B. sp2
C. sp3
D. dsp3

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