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

Decomposition of carbonate of alkaline earth metals produce gas

Question # 2

s-block elements belong to groups

Question # 3

Alkali metals have electrons in s-orbital:

Question # 4

d-block elements belong to groups

Question # 5

Carbonates of alkaline earth metals decomposes to respective metal

Question # 6

Which one is alkaline earth metal?

Question # 7

Transition elements belong to

Question # 8

Arabic word "alkali" means:

Question # 9

Which one is alkali metal in them?

Question # 10

Which are being formed by alkali metals?

Question # 11

II-A group element are called:

Question # 12

Gypsom added in cement is:

Question # 13

Carbonates of alkaline earth metals decomposes to respectgive metal

Question # 14

Chlorophyll contains in it:

Question # 15

Cement plaster is made by mixing plaster of paris with

Question # 16

acidic soils are neutralized by adding

Question # 17

All alkali metals react with acetylene to form acetylides except

Question # 18

Chlorophyll contains in it

Question # 19

Group VII-A elements are called:

Question # 20

Down's cell is used to prepare:

Question # 21

Which oxide is insouluble

Question # 22

Which are being formed by alakli metals?

Question # 23

the oxides of beryllium are:

Question # 24

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

Question # 25

Which of the following sulphates is not soluble in water?

Question # 26

Chile saltpetre has the chemical formule

Question # 27

CO2absorber used in breathing tanks is

Question # 28

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

Question # 29

Maximum shielding effect is observing in

Question # 30

Which one of the following is not an alkali metal?

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ECAT Chemistry Chapter 13 Important MCQ's

Sr.# Question Answer
1 Maximum shielding effect is observing in
A. Li
B. Be
C. Mg
D. Ca
2 Cement plaster is made by mixing plaster of paris with
A. glue or oil
B. gypson
C. glycol
D. alum or borax
3 Acidic soils are neutralized by adding:
A. Plaster of paris
B. Brine
C. Lime
D. Milk of magnesia
4 Lime is often used as an agent
A. dehydrating
B. hydrating
C. oxidizing
D. reducing
5 Down's cell is used to prepare:
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
6 Which one of the following is not an alkali metal?
A. Francium
B. Caesium
C. Rubidium
D. Radium
7 Cement plaster is made by mixing plaster of paris with:
A. glue or oil
B. gypsom
C. glycol
D. alum or borax
8 Which are being formed by alakli metals?
A. oxides
B. nitrides
C. carbides
D. peroxides
9 Which is insoluble carbonate?
A. KCO3
B. CaCO3
C. Na2CO3
D. K2CO3
10 acidic soils are neutralized by adding
A. plaster of paris
B. brine
C. lime
D. milk of magnesia

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