ECAT Pre Engineering Chemistry Chapter 13 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 13 S-Block Elements

Try The MCQ's Test For ECAT Chemistry Chapter 13 S-Block Elements

  • Total Questions30

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ECAT Chemistry Chapter 13 S-Block Elements

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Question # 1

CO2absorber used in breathing tanks is

Question # 2

Which are being formed by alakli metals?

Question # 3

Cement plaster is made by mixing plaster of paris with

Question # 4

Acidic soils are neutralized by adding:

Question # 5

Cement plaster is made by mixing plaster of paris with:

Question # 6

Lime is often used as an agent:

Question # 7

Lime is often used as an agent

Question # 8

Which element is deposited at the cathode during the electrolysis of brine in Nelson's cell?

Question # 9

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

Question # 10

Arabic word "alkali" means:

Question # 11

Group VII-A elements are called:

Question # 12

Which is plaster of paris?

Question # 13

Which one of the following is not an alkali metal?

Question # 14

Which is insoluble carbonate?

Question # 15

Alkali metals have electrons in s-orbital:

Question # 16

Which ion will have the maximum value of heat of hydration?

Question # 17

Diaphragm cell is used to prepare

Question # 18

Carbonates of alkaline earth metals decomposes to respective metal

Question # 19

Milk of lime is

Question # 20

Gypsom added in cement is

Question # 21

Which one is alkaline earth metal?

Question # 22

alkaline metal have electrons in s-orbitals:

Question # 23

All alkali metals react with acetylene to form acetylides except

Question # 24

II-A group element are called:

Question # 25

I-A group elements are called:

Question # 26

Which one is alkali metal in them?

Question # 27

The mineral CaSO4.2H2O has the general name

Question # 28

Which are being formed by alkali metals?

Question # 29

Which of the following sulphates is not soluble in water?

Question # 30

p-block elements belong to group

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ECAT Chemistry Chapter 13 Important MCQ's

Sr.# Question Answer
1 CO2absorber used in breathing tanks is
A. K2O2
B. K2O
C. KO2
D. Na2O2
2 Milk of lime is
A. MgO
B. CaO
C. Ca(OH)2
D. Mg(OH)2
3 Which is insoluble carbonate?
A. KCO3
B. CaCO3
C. Na2CO3
D. K2CO3
4 All alkali metals react with acetylene to form acetylides except:
A. Li
B. Na
C. K
D. Rb
5 Which ion will have the maximum value of heat of hydration?
A. Na+
B. Cs+
C. Ba+
D. Mg+2
6 Down's cell is used to prepare:
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
7 Maximum shielding effect is observing in
A. Li
B. Be
C. Mg
D. Ca
8 Diaphragm cell is used to prepare
A. sodium
B. sodium hydroxide
C. calcium
D. magnesium
9 I-A group elements are called:
A. Alkali-metal
B. alkaline earth metals
C. Halogens
D. Chalocogens
10 Chile saltpetre has the chemical formule
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3.H2O

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