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

______ reacts with alkalis to give hydrogen

Question # 2

Which has soapy touch?

Question # 3

The electrolytic cell used for the production of metallic sodium is known as

Question # 4

What is going to replace the petroleum?

Question # 5

Chile saltpetre has the chemical formula

Question # 6

What is chrome yellow?

Question # 7

Where lime is not used

Question # 8

Pb has inert pair of electrons:

Question # 9

Which of the following sulphates has the highest solubility in water

Question # 10

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 11

Which of the following elements is not present abundantly in earth's crust?

Question # 12

Alkaline earth metals are usually

Question # 13

Silicon atom is hybridized:

Question # 14

Which element forms an iron with charge 3+?

Question # 15

The silver bromide in hypo (Na2S2O3) solution is

Question # 16

BiCl3on hydrolysis forms a white precipitate of

Question # 17

Electron affinity of sulphur is

Question # 18

Which of the following fluorides does not exists?

Question # 19

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 20

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 21

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

Question # 22

Which is used to remove air bubbles form metals?

Question # 23

HNO2acts as an/a

Question # 24

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

Question # 25

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

Question # 26

Heavy water is obtained by

Question # 27

The number of electron that are paired in oxygen molecule are

Question # 28

The alkali metals form

Question # 29

Alkali metals react violently with halogens to form

Question # 30

The element caesium bears resemblance with

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
2 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
3 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium
4 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
5 When a colourless gas is passed through bromine water only decolourisation takes place the gas is
A. SO2
B. HBR
C. HCl
D. H2S
6 Which one of the following elements occurs free in nature?
A. N
B. P
C. As
D. Sb
7 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K
8 Which of the following compounds is explosive in nature?
A. Phosphorus trichloride
B. Nitrogen trichloride
C. Hyponitrous acid
D. Nitrosyl chloride
9 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic
10 Crystalline form of sulphur stable at room temperature is
A. Rhombic sulphur
B. Monoclinic sulphur
C. Plastic sulphur
D. Prismatic sulphur

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