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 element caesium bears resemblance with:

Question # 2

Which alkaline earth metal makes peroxide?

Question # 3

Carbonates of alkaline earth metals decomposes to respective metal

Question # 4

Acidic soils are neutralized by adding:

Question # 5

Which of the following sulphates is not soluble in water?

Question # 6

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

Question # 7

Group VII-A elements are called:

Question # 8

Down's cell is used to prepare:

Question # 9

the oxides of beryllium are:

Question # 10

Gypsom added in cement is:

Question # 11

Maximum shielding effect is observing in

Question # 12

Carbonates of alkaline earth metals decomposes to respectgive metal

Question # 13

The mineral CaSO4.2H2O has the general name

Question # 14

Decomposition of carbonate of alkaline earth metals produce gas

Question # 15

Milk of lime is

Question # 16

II-A group element are called:

Question # 17

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

Question # 18

Alkali metals have electrons in s-orbital:

Question # 19

Lime is often used as an agent

Question # 20

The strong alkaline solution in water is of metal:

Question # 21

The oxides of beryllium are

Question # 22

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

Question # 23

Which are being formed by alakli metals?

Question # 24

Lime is often used as an agent:

Question # 25

Which is insoluble carbonate?

Question # 26

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

Question # 27

Which are being formed by alkali metals?

Question # 28

Arabic word "alkali" means:

Question # 29

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

Question # 30

Which one is alkali metal in them?

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ECAT Chemistry Chapter 13 Important MCQ's

Sr.# Question Answer
1 The element caesium bears resemblance with:
A. Ca
B. Cr
C. Both of the above
D. None of these
2 Which of the following sulphates is not soluble in water?
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
3 Which element is deposited at the cathode during the electrolysis of brine in Nelson's cell?
A. H2
B. Na
C. Cl2
D. O2
4 Carbonates of alkaline earth metals decomposes to respective metal
A. oxides
B. nitrates
C. sulphates
D. CO2
5 The oxides of beryllium are
A. acidic
B. basic
C. amphoteric
D. none of these
6 The strong alkaline solution in water is of metal:
A. Potassium
B. Sodium
C. Lithium
D. Magnesium
7 Maximum shielding effect is observing in
A. Li
B. Be
C. Mg
D. Ca
8 Chile saltpetre has the chemical formule
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3.H2O
9 Which oxide is insouluble
A. Li2O
B. Na2O
C. K2O
D. BaO
10 All alkali metals react with acetylene to form acetylides except
A. Li
B. Na
C. K
D. Rb

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