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

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Question # 1

Which of the following is lighter

Question # 2

The ore CaSO42H2O has the general name

Question # 3

Which of the following is the hardest metal among following

Question # 4

Chemical composition of colemnite is:

Question # 5

The oxide of beryllium is

Question # 6

Which is litharge or massicot?

Question # 7

The alkali metals form

Question # 8

Oleum is

Question # 9

Polyanion formation is maximum in

Question # 10

Which is not the form of silica?

Question # 11

Which is used to remove air bubbles form metals?

Question # 12

Crystalline form of sulphur stable at room temperature is

Question # 13

White P when boiled with strong solution of caustic soda produces

Question # 14

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 15

The alkaline earth elements have in their s-orbital

Question # 16

Which on of the following compounds does not exist?

Question # 17

In the earth crust sodium is

Question # 18

The element which has a simple cubic lattice in solid state is

Question # 19

The element caesium bears resemblance with

Question # 20

Which colour is imparted by sodium

Question # 21

The chemical formula of magnesite is

Question # 22

Plaster of pares is obtained by heating

Question # 23

Lithium reacts with air to form

Question # 24

Alkali metals react violently with halogens to form

Question # 25

Identify the incorrect statement with respect to ozone

Question # 26

Which one of the following is not an alkali metal

Question # 27

Copper oxide is dedected by borax bead test with colour:

Question # 28

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 29

The silver bromide in hypo (Na2S2O3) solution is

Question # 30

White phosphorus is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
2 BiCl3on hydrolysis forms a white precipitate of
A. Bismuthio acid
B. Bismuth oxychloride
C. Bismuth pentachloride
D. Bismuth hydroxide
3 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
4 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
5 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
6 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
7 ______ is called milk of magnesia
A. NaOH
B. KOH
C. LiOH
D. None
8 All the following decompose easily on heating to give oxygen except
A. Lead nitrate
B. Potassium chlorate
C. Mercuric oxide
D. Manganese dioxide
9 Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is
10 The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is
A. Hypophosphorus acid
B. Orthophosphorus acid
C. Pyrophosphorus acid
D. Metaphosphorus acid

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