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

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ECAT Chemistry Chapter 13 S-Block Elements

00:00
Question # 1

Lime is often used as an agent

Question # 2

alkaline metal have electrons in s-orbitals:

Question # 3

Acidic soils are neutralized by adding:

Question # 4

Down's cell is used to prepare:

Question # 5

Chlorophyll contains in it:

Question # 6

Chile saltpetre has the chemical formule

Question # 7

The mineral CaSO4.2H2O has the general name

Question # 8

The strong alkaline solution in water is of metal:

Question # 9

Which alkaline earth metal makes peroxide?

Question # 10

Decomposition of carbonate of alkaline earth metals produce gas

Question # 11

Cement plaster is made by mixing plaster of paris with

Question # 12

II-A group element are called:

Question # 13

Maximum shielding effect is observing in

Question # 14

acidic soils are neutralized by adding

Question # 15

All alkali metals react with acetylene to form acetylides except

Question # 16

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

Question # 17

Group VII-A elements are called:

Question # 18

Cement plaster is made by mixing plaster of paris with:

Question # 19

Gypsom added in cement is:

Question # 20

CO2absorber used in breathing tanks is

Question # 21

Which is insoluble carbonate?

Question # 22

Which one is alkali metal in them?

Question # 23

p-block elements belong to group

Question # 24

d-block elements belong to groups

Question # 25

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

Question # 26

Carbonates of alkaline earth metals decomposes to respective metal

Question # 27

the oxides of beryllium are:

Question # 28

All alkali metals react with acetylene to form acetylides except:

Question # 29

Carbonates of alkaline earth metals decomposes to respectgive metal

Question # 30

Diaphragm cell is used to prepare

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ECAT Chemistry Chapter 13 Important MCQ's

Sr.# Question Answer
1 Milk of lime is
A. MgO
B. CaO
C. Ca(OH)2
D. Mg(OH)2
2 Acidic soils are neutralized by adding:
A. Plaster of paris
B. Brine
C. Lime
D. Milk of magnesia
3 Carbonates of alkaline earth metals decomposes to respective metal
A. oxides
B. nitrates
C. sulphates
D. CO2
4 Lime is often used as an agent:
A. dehydrating
B. hydrating
C. oxidizing
D. reducing
5 Which are being formed by alkali metals?
A. oxides
B. nitrides
C. carbides
D. peroxides
6 All alkali metals react with acetylene to form acetylides except
A. Li
B. Na
C. K
D. Rb
7 Down's cell is used to prepare:
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
8 Which of the following sulphates is not soluble in water?
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
9 Gypsom added in cement is
A. 1%
B. 2%
C. 3%
D. 4%
10 The element caesium bears resemblance with:
A. Ca
B. Cr
C. Both of the above
D. None of these

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