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

Which salt is used for preserving food

Question # 2

Corrundam is ore of:

Question # 3

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

Question # 4

Down's cell is used to prepare

Question # 5

Lithium reacts with air to form

Question # 6

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 7

Al is the most element in earth crust:

Question # 8

The acid used in lead storage cells is

Question # 9

Which of the following compounds is explosive in nature?

Question # 10

Alkaline earth metals are usually

Question # 11

Which of the following sulphates has the highest solubility in water

Question # 12

Which of the following form normal oxide

Question # 13

What is going to replace the petroleum?

Question # 14

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

Question # 15

Ozone is not

Question # 16

Where lime is not used

Question # 17

When SO2is passed through acidified K2Cr2O7solution

Question # 18

Which element has highest oxidation potential

Question # 19

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

Question # 20

Which is used to remove air bubbles form metals?

Question # 21

Alkaline earth metals posses two electrons in their outermost

Question # 22

______ gives peroxide

Question # 23

Phosphide ion has the electronic structure similar to that of

Question # 24

Which of the following is lighter

Question # 25

Oleum is

Question # 26

Tincal is a mineral of:

Question # 27

Red P can be obtained form white P by

Question # 28

Dipole moment of CO molecule is:

Question # 29

Which of the following salt is used as purgative

Question # 30

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following oxides is peroxide?
A. Na2O2
B. MnO2
C. BaO
D. SO2
2 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these
3 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr
4 CaC2on hydrolysis form
A. CH4
B. C2H4
C. C2H2
D. C6H6
5 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
6 Which of the following is not the reactions of lithium
7 What is chrome yellow?
A. Pbo
B. Pb2O
C. PbCrO4
D. Pb3O4
8 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
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 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite

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