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

acidic soils are neutralized by adding

Question # 2

Group VII-A elements are called:

Question # 3

the oxides of beryllium are:

Question # 4

alkaline metal have electrons in s-orbitals:

Question # 5

Which is insoluble carbonate?

Question # 6

Diaphragm cell is used to prepare

Question # 7

Carbonates of alkaline earth metals decomposes to respective metal

Question # 8

Chlorophyll contains in it:

Question # 9

Which oxide is insouluble

Question # 10

Which are being formed by alkali metals?

Question # 11

Which are being formed by alakli metals?

Question # 12

p-block elements belong to group

Question # 13

s-block elements belong to groups

Question # 14

CO2absorber used in breathing tanks is

Question # 15

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

Question # 16

Cement plaster is made by mixing plaster of paris with

Question # 17

All alkali metals react with acetylene to form acetylides except

Question # 18

Which is plaster of paris?

Question # 19

The element caesium bears resemblance with:

Question # 20

All alkali metals react with acetylene to form acetylides except:

Question # 21

The mineral CaSO4.2H2O has the general name

Question # 22

Decomposition of carbonate of alkaline earth metals produce gas

Question # 23

I-A group elements are called:

Question # 24

Cement plaster is made by mixing plaster of paris with:

Question # 25

Lime is often used as an agent

Question # 26

Which one is alkaline earth metal?

Question # 27

Which one is alkali metal in them?

Question # 28

The oxides of beryllium are

Question # 29

Arabic word "alkali" means:

Question # 30

Chile saltpetre has the chemical formule

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ECAT Chemistry Chapter 13 Important MCQ's

Sr.# Question Answer
1 Carbonates of alkaline earth metals decomposes to respectgive metal
A. Oxides
B. Nitrates
C. Sulphates
D. CO2
2 Transition elements belong to
A. I-A & II-A
B. III-A to VIII-A
C. I-B to X-B
D. Lanthanides
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 p-block elements belong to group
A. I-A & II-A
B. III-A to VIII-A
C. I-B to X-B
D. Lanthanides
5 Lime is often used as an agent
A. dehydrating
B. hydrating
C. oxidizing
D. reducing
6 Which one is alkali metal in them?
A. Rubidium
B. Magnesium
C. Calcium
D. Barium
7 Maximum shielding effect is observing in
A. Li
B. Be
C. Mg
D. Ca
8 Carbonates of alkaline earth metals decomposes to respective metal
A. oxides
B. nitrates
C. sulphates
D. CO2
9 Which one o the following does not belong to alkaline earth metals?
A. Be
B. Re
C. Ba
D. Rn
10 Plaster of paris is mixed with water, the expansion in volume is:
A. 1%
B. 2%
C. 3%
D. 4%

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