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 of the following equations represents the action of heat on NaHCO3

Question # 2

The most acidic of the following compounds is

Question # 3

The chemical formula of chile salt peter is

Question # 4

Calcium carbide reacts with water to produce

Question # 5

Which is used in navigational equipments?

Question # 6

Sulphuric acid reacts with PCl5to give

Question # 7

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 8

Crystalline form of sulphur stable at room temperature is

Question # 9

Dipole moment of CO molecule is:

Question # 10

Which of the following is not the reactions of lithium

Question # 11

The ore CaSO42H2O has the general name

Question # 12

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

Question # 13

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 14

White phosphorus is

Question # 15

Which will have the maximum value of heat of hydration

Question # 16

Which of the element is not alkali metal

Question # 17

Which one of the following is not an alkali metal

Question # 18

Which of the following salt is used as purgative

Question # 19

LiOH ______ soluble than NaOH

Question # 20

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

Question # 21

HNO2acts as an/a

Question # 22

Hypo is used in photography for

Question # 23

Polyanion formation is maximum in

Question # 24

All the following decompose easily on heating to give oxygen except

Question # 25

Marble is chemically

Question # 26

Which of the following sulphates is not soluble in water

Question # 27

Which metal is used in the thermit process because of its activity?

Question # 28

Copper oxide is dedected by borax bead test with colour:

Question # 29

Borax is hydrated:

Question # 30

______ reacts with alkalis to give hydrogen

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The most acidic of the following compounds is
A. P2O3
B. Sb2O3
C. B2O3
D. As2O3
2 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
3 Which of the following equations represents the action of heat on NaHCO3
4 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
5 Sulphuric acid has great affinity for water because
A. It hydrolyses the acid
B. It decomposes the acid
C. Acid forms hydrates with water
D. Acid decomposes water
6 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
7 Hypo is used in photography for
A. Developing picture
B. Picture printed
C. The colour of picture
D. The fixation of picture
8 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
9 Which one of the following properties is not correct for ozone?
A. It oxidizes lead sulphides
B. It oxidizes potassium iodide
C. It oxidizes mercury
D. It cannot act as a bleaching agent
10 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion

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