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

Hybridized in oxygen is:

Question # 2

Crystalline form of sulphur stable at room temperature is

Question # 3

Which of the following salt is used as purgative

Question # 4

Which has soapy touch?

Question # 5

The alkaline earth elements have in their s-orbital

Question # 6

Sodium should be stored in

Question # 7

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

Question # 8

The structure of white phosphorus is

Question # 9

Boric acid cannot be used:

Question # 10

As a fixing agent in photography, sodium thisoulphate is used for

Question # 11

A compound used as eye wash:

Question # 12

Which of the following are electropositive in nature

Question # 13

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 14

The chemical formula of magnesite is

Question # 15

Which of the following sulphates has the highest solubility in water

Question # 16

Identify the incorrect statement with respect to ozone

Question # 17

Which of the following is the hardest metal among following

Question # 18

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 19

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 20

Calcium carbide reacts with water to produce

Question # 21

Phosphine is not obtained by the reaction when

Question # 22

HNO2acts as an/a

Question # 23

BiCl3on hydrolysis forms a white precipitate of

Question # 24

Permonosulphuric acid is known as

Question # 25

Which of the following element is most reactive

Question # 26

Commercial common salt becomes slight damp on storing because

Question # 27

Which of the following is lighter

Question # 28

Phosphide ion has the electronic structure similar to that of

Question # 29

Copper oxide is dedected by borax bead test with colour:

Question # 30

Which one of the following properties is not correct for ozone?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which property is not present in Al?
A. Reacts with acid
B. Reacts with bases
C. Changes litmus paper
D. Changes methyle orange colour
2 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
3 BiCl3on hydrolysis forms a white precipitate of
A. Bismuthio acid
B. Bismuth oxychloride
C. Bismuth pentachloride
D. Bismuth hydroxide
4 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
5 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
6 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
7 CaC2on hydrolysis form
A. CH4
B. C2H4
C. C2H2
D. C6H6
8 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
9 The electrolytic cell used for the production of metallic sodium is known as
A. Down's cell
B. Solvary's cell
C. Haber's cell
D. None of these
10 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3

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