ECAT Pre Engineering Chemistry Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

Try The MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

00:00
Question # 1

The chemical formula of chile salt peter is

Question # 2

BiCl3on hydrolysis forms a white precipitate of

Question # 3

Which salt is used for preserving food

Question # 4

______ is called milk of magnesia

Question # 5

The number of electron that are paired in oxygen molecule are

Question # 6

Which one of the following is not an alkali metal

Question # 7

Which salt is used for the treatment of hyperacidity in stomach

Question # 8

Chemical composition of colemnite is:

Question # 9

The oxidation number of each element of group ll-A is

Question # 10

The formula of lime stone is

Question # 11

Sulphuric acid has great affinity for water because

Question # 12

Which of the following are electropositive in nature

Question # 13

Copper oxide is dedected by borax bead test with colour:

Question # 14

A compound used as eye wash:

Question # 15

Pb has inert pair of electrons:

Question # 16

The element caesium bears resemblance with

Question # 17

Which shows maximum catenation property?

Question # 18

What is the formula of asbestos?

Question # 19

Gypsum is a common mineral of

Question # 20

The ore CaSO42H2O has the general name

Question # 21

Marble is chemically

Question # 22

Plaster of pares is obtained by heating

Question # 23

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 24

Ozone is not

Question # 25

Electron affinity of sulphur is

Question # 26

Heavy water is obtained by

Question # 27

NaHCO3is prepared by

Question # 28

The alkali metals form

Question # 29

Polyanion formation is maximum in

Question # 30

HNO2acts as an/a

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
2 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus
3 Which of the following equations represents the action of heat on NaHCO3
4 Phosphorus pentoxide finds use as
A. An oxidizing agent
B. A reducing agent
C. A bleaching agent
D. A dehydrating agent
5 Hypo is used in photography for
A. Developing picture
B. Picture printed
C. The colour of picture
D. The fixation of picture
6 Borax is hydrated:
A. Penta
B. Deca
C. Hepta
D. Octa
7 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
8 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
9 The metal with highest electrical resistance at room temperature is
A. Pb
B. Te
C. Po
D. Fe
10 Chemical composition of colemnite is:
A. Ca2B6O11.5H2O
B. CaB4O7 .4 H2O
C. Na2B7O7. 4 H2O
D. CaNaB5O9.8H2O

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