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

Carbonates of alkaline earth metals decomposes to respectgive metal

Question # 3

Which one is alkali metal in them?

Question # 4

Alkali metals have electrons in s-orbital:

Question # 5

The element caesium bears resemblance with:

Question # 6

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

Question # 7

Chlorophyll contains in it:

Question # 8

Maximum shielding effect is observing in

Question # 9

Diaphragm cell is used to prepare

Question # 10

Which is plaster of paris?

Question # 11

Gypsom added in cement is:

Question # 12

Decomposition of carbonate of alkaline earth metals produce gas

Question # 13

Which oxide is insouluble

Question # 14

Acidic soils are neutralized by adding:

Question # 15

Lime is often used as an agent:

Question # 16

CO2absorber used in breathing tanks is

Question # 17

Group VII-A elements are called:

Question # 18

I-A group elements are called:

Question # 19

Transition elements belong to

Question # 20

Which one of the following is not an alkali metal?

Question # 21

Cement plaster is made by mixing plaster of paris with

Question # 22

Which are being formed by alkali metals?

Question # 23

Which of the following sulphates is not soluble in water?

Question # 24

p-block elements belong to group

Question # 25

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

Question # 26

acidic soils are neutralized by adding

Question # 27

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

Question # 28

Which is insoluble carbonate?

Question # 29

Which alkaline earth metal makes peroxide?

Question # 30

All alkali metals react with acetylene to form acetylides except

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ECAT Chemistry Chapter 13 Important MCQ's

Sr.# Question Answer
1 the oxides of beryllium are:
A. acidic
B. basic
C. amphoteric
D. None of these
2 Cement plaster is made by mixing plaster of paris with
A. glue or oil
B. gypson
C. glycol
D. alum or borax
3 Which one o the following does not belong to alkaline earth metals?
A. Be
B. Re
C. Ba
D. Rn
4 Cement plaster is made by mixing plaster of paris with:
A. glue or oil
B. gypsom
C. glycol
D. alum or borax
5 Which are being formed by alkali metals?
A. oxides
B. nitrides
C. carbides
D. peroxides
6 Down's cell is used to prepare:
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
7 I-A group elements are called:
A. Alkali-metal
B. alkaline earth metals
C. Halogens
D. Chalocogens
8 Which oxide is insouluble
A. Li2O
B. Na2O
C. K2O
D. BaO
9 The oxides of beryllium are
A. acidic
B. basic
C. amphoteric
D. none of these
10 Which element is deposited at the cathode during the electrolysis of brine in Nelson's cell?
A. H2
B. Na
C. Cl2
D. O2

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