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

II-A group element are called:

Question # 2

Which one is alkaline earth metal?

Question # 3

acidic soils are neutralized by adding

Question # 4

Which oxide is insouluble

Question # 5

Which one is alkali metal in them?

Question # 6

alkaline metal have electrons in s-orbitals:

Question # 7

Lime is often used as an agent

Question # 8

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

Question # 9

Which alkaline earth metal makes peroxide?

Question # 10

Alkali metals have electrons in s-orbital:

Question # 11

The mineral CaSO4.2H2O has the general name

Question # 12

Which is insoluble carbonate?

Question # 13

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

Question # 14

Cement plaster is made by mixing plaster of paris with

Question # 15

Which are being formed by alakli metals?

Question # 16

Which of the following sulphates is not soluble in water?

Question # 17

Chlorophyll contains in it:

Question # 18

p-block elements belong to group

Question # 19

Chlorophyll contains in it

Question # 20

The strong alkaline solution in water is of metal:

Question # 21

All alkali metals react with acetylene to form acetylides except

Question # 22

Lime is often used as an agent:

Question # 23

Cement plaster is made by mixing plaster of paris with:

Question # 24

Plaster of paris is mixed with water, the expansion in volume is:

Question # 25

CO2absorber used in breathing tanks is

Question # 26

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

Question # 27

The oxides of beryllium are

Question # 28

Carbonates of alkaline earth metals decomposes to respective metal

Question # 29

Down's cell is used to prepare:

Question # 30

Gypsom added in cement is

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ECAT Chemistry Chapter 13 Important MCQ's

Sr.# Question Answer
1 Cement plaster is made by mixing plaster of paris with:
A. glue or oil
B. gypsom
C. glycol
D. alum or borax
2 Which of the following sulphates is not soluble in water?
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
3 Down's cell is used to prepare:
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
4 alkaline metal have electrons in s-orbitals:
A. One
B. Two
C. three
D. Four
5 Which one is alkaline earth metal?
A. Sodium
B. Beryllium
C. Potassium
D. Lithium
6 Which one o the following does not belong to alkaline earth metals?
A. Be
B. Re
C. Ba
D. Rn
7 I-A group elements are called:
A. Alkali-metal
B. alkaline earth metals
C. Halogens
D. Chalocogens
8 The oxides of beryllium are
A. acidic
B. basic
C. amphoteric
D. none of these
9 Lime is often used as an agent
A. dehydrating
B. hydrating
C. oxidizing
D. reducing
10 Decomposition of carbonate of alkaline earth metals produce gas
A. N2
B. Oxide
C. CO2
D. CO

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