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

Which salt is used for the treatment of hyperacidity in stomach

Question # 3

Density of aluminium is (g cm-3):

Question # 4

Which of the following salt is used as purgative

Question # 5

Which of the following is lighter

Question # 6

Which one of the following is not an alkali metal

Question # 7

Which shows maximum catenation property?

Question # 8

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 # 9

Hybridized in carbon is:

Question # 10

Sulphuric acid reacts with PCl5to give

Question # 11

Sulphuric acid has great affinity for water because

Question # 12

S-block elements consist of

Question # 13

Identify the incorrect statement with respect to ozone

Question # 14

Sodium is never found free in nature because of its

Question # 15

The ore CaSO42H2O has the general name

Question # 16

CaC2on hydrolysis form

Question # 17

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

Question # 18

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 19

Which of the following is the hardest metal among following

Question # 20

Which colour is imparted by sodium

Question # 21

Where lime is not used

Question # 22

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 23

When SO2is passed through acidified K2Cr2O7solution

Question # 24

NaHCO3is prepared by

Question # 25

Borax is hydrated:

Question # 26

What is going to replace the petroleum?

Question # 27

A compound used as eye wash:

Question # 28

______ gives peroxide

Question # 29

Marble is chemically

Question # 30

The alkaline earth elements have in their s-orbital

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite
2 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs
3 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1
4 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
5 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
6 Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is
7 Chile saltpetre has the chemical formula
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3H2O
8 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
9 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3
10 NaHCO3is prepared by
A. Down's process
B. Solvay's process
C. Nelson's process
D. None of these

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