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

Which of the element is not an alkaline earth metal

Question # 3

Which is litharge or massicot?

Question # 4

Sodium hexametaphophate is known as

Question # 5

Which of the following salt is soluble in water

Question # 6

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

Question # 7

The acid which has a peroxy linkage is

Question # 8

The chemical formula of magnesite is

Question # 9

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

Question # 10

S-block elements consist of

Question # 11

Which of the following equations represents the action of heat on NaHCO3

Question # 12

Which one of the following is not an alkali metal

Question # 13

Which of the following salt is used as purgative

Question # 14

Which one of the following pentafluorides cannot be formed?

Question # 15

Which of all following compound is not possible

Question # 16

Phosphorus pentoxide finds use as

Question # 17

Which of the following fluorides does not exists?

Question # 18

Gypsum is a common mineral of

Question # 19

Which of the following phosphorus is most reactive?

Question # 20

Which is used to remove air bubbles form metals?

Question # 21

The metal with highest electrical resistance at room temperature is

Question # 22

Calcium carbide reacts with water to produce

Question # 23

Which has soapy touch?

Question # 24

Borax is hydrated:

Question # 25

Which of the following element is most reactive

Question # 26

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 27

Identify the incorrect statement with respect to ozone

Question # 28

Which is an essential constituent of chlorophyll

Question # 29

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 # 30

Which property is not present in Al?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
2 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
3 When SO2is passed through acidified K2Cr2O7solution
A. The solution turns blue
B. The solution is decolourised
C. SO2is reduced
D. Green Cr2(SO4)3is formed
4 LiOH ______ soluble than NaOH
A. More soluble
B. Less soluble
C. Equally soluble
D. None
5 When ammonia is heated with cupric oxide, a molecule of ammonia will
A. Gain 3 electrons
B. Lose 3 electrons
C. Gain 2 electrons
D. Lose 2 electrons
6 The metal with highest electrical resistance at room temperature is
A. Pb
B. Te
C. Po
D. Fe
7 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
8 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
9 Which element forms an iron with charge 3+?
A. Berylium
B. Aluminium
C. Carbon
D. Silicon
10 Which is used to remove air bubbles form metals?
A. B
B. Be
C. Mg
D. Al

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