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

d-block elements belong to groups

Question # 2

Arabic word "alkali" means:

Question # 3

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

Question # 4

Which one is alkaline earth metal?

Question # 5

Transition elements belong to

Question # 6

II-A group element are called:

Question # 7

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

Question # 8

Cement plaster is made by mixing plaster of paris with

Question # 9

CO2absorber used in breathing tanks is

Question # 10

s-block elements belong to groups

Question # 11

Which of the following sulphates is not soluble in water?

Question # 12

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

Question # 13

acidic soils are neutralized by adding

Question # 14

Cement plaster is made by mixing plaster of paris with:

Question # 15

Chile saltpetre has the chemical formule

Question # 16

Chlorophyll contains in it:

Question # 17

Which oxide is insouluble

Question # 18

alkaline metal have electrons in s-orbitals:

Question # 19

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

Question # 20

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

Question # 21

All alkali metals react with acetylene to form acetylides except:

Question # 22

The mineral CaSO4.2H2O has the general name

Question # 23

Carbonates of alkaline earth metals decomposes to respectgive metal

Question # 24

Alkali metals have electrons in s-orbital:

Question # 25

the oxides of beryllium are:

Question # 26

Which are being formed by alakli metals?

Question # 27

Which is plaster of paris?

Question # 28

Which one of the following is not an alkali metal?

Question # 29

All alkali metals react with acetylene to form acetylides except

Question # 30

Lime is often used as an agent:

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ECAT Chemistry Chapter 13 Important MCQ's

Sr.# Question Answer
1 Which are being formed by alakli metals?
A. oxides
B. nitrides
C. carbides
D. peroxides
2 Which oxide is insouluble
A. Li2O
B. Na2O
C. K2O
D. BaO
3 Which one of the following is not an alkali metal?
A. Francium
B. Caesium
C. Rubidium
D. Radium
4 Lime is often used as an agent:
A. dehydrating
B. hydrating
C. oxidizing
D. reducing
5 CO2absorber used in breathing tanks is
A. K2O2
B. K2O
C. KO2
D. Na2O2
6 Arabic word "alkali" means:
A. The ashes
B. the sour
C. The fragrant
D. Caustic
7 The oxides of beryllium are
A. acidic
B. basic
C. amphoteric
D. none of these
8 The element caesium bears resemblance with:
A. Ca
B. Cr
C. Both of the above
D. None of these
9 the oxides of beryllium are:
A. acidic
B. basic
C. amphoteric
D. None of these
10 acidic soils are neutralized by adding
A. plaster of paris
B. brine
C. lime
D. milk of magnesia

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