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

the oxides of beryllium are:

Question # 2

Transition elements belong to

Question # 3

Cement plaster is made by mixing plaster of paris with:

Question # 4

Which are being formed by alakli metals?

Question # 5

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

Question # 6

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

Question # 7

The strong alkaline solution in water is of metal:

Question # 8

Gypsom added in cement is:

Question # 9

Group VII-A elements are called:

Question # 10

Maximum shielding effect is observing in

Question # 11

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

Question # 12

Milk of lime is

Question # 13

s-block elements belong to groups

Question # 14

Lime is often used as an agent:

Question # 15

Decomposition of carbonate of alkaline earth metals produce gas

Question # 16

Down's cell is used to prepare:

Question # 17

Which one is alkali metal in them?

Question # 18

Lime is often used as an agent

Question # 19

The element caesium bears resemblance with:

Question # 20

Which of the following sulphates is not soluble in water?

Question # 21

Acidic soils are neutralized by adding:

Question # 22

Which one is alkaline earth metal?

Question # 23

Which one of the following is not an alkali metal?

Question # 24

Gypsom added in cement is

Question # 25

CO2absorber used in breathing tanks is

Question # 26

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

Question # 27

Which is insoluble carbonate?

Question # 28

Diaphragm cell is used to prepare

Question # 29

Carbonates of alkaline earth metals decomposes to respectgive metal

Question # 30

Which is plaster of paris?

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ECAT Chemistry Chapter 13 Important MCQ's

Sr.# Question Answer
1 Decomposition of carbonate of alkaline earth metals produce gas
A. N2
B. Oxide
C. CO2
D. CO
2 Which one of the following does not belong to alkaline earth metals?
A. Be
B. Ra
C. Ba
D. Rn
3 Which of the following sulphates is not soluble in water?
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
4 Acidic soils are neutralized by adding:
A. Plaster of paris
B. Brine
C. Lime
D. Milk of magnesia
5 Down's cell is used to prepare:
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
6 Alkali metals have electrons in s-orbital:
A. one
B. two
C. three
D. Four
7 Arabic word "alkali" means:
A. The ashes
B. the sour
C. The fragrant
D. Caustic
8 The mineral CaSO4.2H2O has the general name
A. gypsum
B. dolomite
C. calcite
D. epsom salt
9 CO2absorber used in breathing tanks is
A. K2O2
B. K2O
C. KO2
D. Na2O2
10 Which are being formed by alakli metals?
A. oxides
B. nitrides
C. carbides
D. peroxides

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