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

Chief ore of aluminium is:

Question # 2

Which element forms an iron with charge 3+?

Question # 3

The ore CaSO42H2O has the general name

Question # 4

Which shows maximum catenation property?

Question # 5

Al is the most element in earth crust:

Question # 6

Which of the following oxides is peroxide?

Question # 7

Which of the following salt is used as purgative

Question # 8

Down's cell is used to prepare

Question # 9

Which element among the following belongs to Group IV-A of the periodic table?

Question # 10

Alkaline earth metals posses two electrons in their outermost

Question # 11

Hybridized in carbon is:

Question # 12

Which one of the following pentafluorides cannot be formed?

Question # 13

The silver bromide in hypo (Na2S2O3) solution is

Question # 14

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 15

Which property is not present in Al?

Question # 16

The chemical formula of gypsum is

Question # 17

Which of the following are electropositive in nature

Question # 18

Which of the following salt is soluble in water

Question # 19

Which element form group 15 gives most basic compound with hydrogen?

Question # 20

Which element has highest oxidation potential

Question # 21

Lithium reacts with air to form

Question # 22

Boric acid cannot be used:

Question # 23

The chemical formula of Trona is

Question # 24

Which has soapy touch?

Question # 25

Which one of the following is not an alkali metal

Question # 26

Solvay process is used in the manufacture of

Question # 27

Each of the following is true of white and red phosphours except that they

Question # 28

Sulphuric acid has great affinity for water because

Question # 29

What is chrome yellow?

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Orthophosphoric acid is
A. Monobasic
B. Dibasic
C. Tribasic
D. Tetrabasic
2 The acid which has a peroxy linkage is
A. Sulphurous acid
B. Pyrosulphuric acid
C. Dithionic acid
D. Caro's acid
3 NaHCO3is prepared by
A. Down's process
B. Solvay's process
C. Nelson's process
D. None of these
4 ______ reacts with alkalis to give hydrogen
A. Be
B. Mg
C. Ca
D. None
5 Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because
A. Sodium chloride does not ionize in the water solution
B. Sodium chloride is not soluble in water
C. Sodium deposited at the cathode may react with water to form sodium hydroxide
D. Electricity does not pass through aqueous NaCl
6 Boric acid cannot be used:
A. An antiseptic in medicine
B. For washing eyes
C. In soda bottles
D. For enamels and glazes
7 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
8 Polyanion formation is maximum in
A. Nitrogen
B. Oxygen
C. Sulphur
D. Boron
9 Red P can be obtained form white P by
A. Heating it with a catalyst in an inert atmosphere
B. Distilling it in an inert atmosphere
C. Dissolving it in CS2and crysllizing
D. Melting it ad pouring the liquid into water
10 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium

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