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

p-block elements belong to group

Question # 2

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

Question # 3

d-block elements belong to groups

Question # 4

Transition elements belong to

Question # 5

Diaphragm cell is used to prepare

Question # 6

Decomposition of carbonate of alkaline earth metals produce gas

Question # 7

The mineral CaSO4.2H2O has the general name

Question # 8

alkaline metal have electrons in s-orbitals:

Question # 9

Alkali metals have electrons in s-orbital:

Question # 10

the oxides of beryllium are:

Question # 11

Cement plaster is made by mixing plaster of paris with:

Question # 12

Which one is alkaline earth metal?

Question # 13

CO2absorber used in breathing tanks is

Question # 14

Carbonates of alkaline earth metals decomposes to respectgive metal

Question # 15

Which alkaline earth metal makes peroxide?

Question # 16

Milk of lime is

Question # 17

acidic soils are neutralized by adding

Question # 18

Which of the following sulphates is not soluble in water?

Question # 19

Gypsom added in cement is

Question # 20

Chile saltpetre has the chemical formule

Question # 21

Lime is often used as an agent:

Question # 22

Down's cell is used to prepare:

Question # 23

Chlorophyll contains in it

Question # 24

Cement plaster is made by mixing plaster of paris with

Question # 25

The element caesium bears resemblance with:

Question # 26

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

Question # 27

Which one of the following is not an alkali metal?

Question # 28

Carbonates of alkaline earth metals decomposes to respective metal

Question # 29

Group VII-A elements are called:

Question # 30

Lime is often used as an agent

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ECAT Chemistry Chapter 13 Important MCQ's

Sr.# Question Answer
1 alkaline metal have electrons in s-orbitals:
A. One
B. Two
C. three
D. Four
2 All alkali metals react with acetylene to form acetylides except
A. Li
B. Na
C. K
D. Rb
3 Group VII-A elements are called:
A. s-block elements
B. p-block elements
C. d-block elements
D. f-block elements
4 Which element is deposited at the cathode during the electrolysis of brine in Nelson's cell?
A. H2
B. Na
C. Cl2
D. O2
5 Chlorophyll contains in it:
A. Li
B. Na
C. Mg
D. Ca
6 the oxides of beryllium are:
A. acidic
B. basic
C. amphoteric
D. None of these
7 The oxides of beryllium are
A. acidic
B. basic
C. amphoteric
D. none of these
8 Which ion will have the maximum value of heat of hydration?
A. Na+
B. Cs+
C. Ba+
D. Mg+2
9 d-block elements belong to groups
A. I-A & II-A
B. III-A to VIII-A
C. I-B to X-B
D. Lanthanides
10 Which are being formed by alkali metals?
A. oxides
B. nitrides
C. carbides
D. peroxides

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