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

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 2

Solvay process is used in the manufacture of

Question # 3

______ reacts with alkalis to give hydrogen

Question # 4

Calcium carbide reacts with water to produce

Question # 5

What is chrome yellow?

Question # 6

Phosphorus pentoxide finds use as

Question # 7

What is the formula of asbestos?

Question # 8

NaHCO3is prepared by

Question # 9

Which is used to remove air bubbles form metals?

Question # 10

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

Question # 11

The alkaline earth elements have in their s-orbital

Question # 12

Lithium reacts with air to form

Question # 13

Which shows maximum catenation property?

Question # 14

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 15

Which of the following is the hardest metal among following

Question # 16

Which is used in navigational equipments?

Question # 17

Down's cell is used to prepare

Question # 18

Which of the following form normal oxide

Question # 19

The oxide of beryllium is

Question # 20

Sodium forms largely

Question # 21

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

Question # 22

Chief ore of aluminium is:

Question # 23

Orthophosphoric acid is

Question # 24

Sulphuric acid reacts with PCl5to give

Question # 25

Chemical composition of colemnite is:

Question # 26

Which element has highest oxidation potential

Question # 27

Boric acid cannot be used:

Question # 28

Density of aluminium is (g cm-3):

Question # 29

Sodium should be stored in

Question # 30

Which is litharge or massicot?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 P2O5is heated with water to give
A. Hypophosphorus acid
B. Phosphorus acid
C. Hypophosphorus acid
D. Orthophosphorus acid
2 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
3 Phosphine is not obtained by the reaction when
A. White P is heated with NaOH
B. Red P is heated with NaOH
C. Ca2P2reacts with water
D. PH4l is boiled with water
4 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
5 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
6 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
7 Which of the following salt is used as purgative
A. CaSO4
B. MgSO4
C. BeSO4
D. NaCl
8 The number of unpaired electrons in the p-subshell of oxygen atom
A. 1
B. 2
C. 3
D. 4
9 Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because
A. Sulphur is present in the mixture as impurity
B. IV group radicals are precipitated as sulphides
C. Of the oxidation of H2S gas by some acid radicals
D. III group radicals are precipitated as hydroxides
10 Borax is hydrated:
A. Penta
B. Deca
C. Hepta
D. Octa

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