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

White P when boiled with strong solution of caustic soda produces

Question # 2

Electron affinity of sulphur is

Question # 3

Which is used to remove air bubbles form metals?

Question # 4

Phosphorus pentoxide finds use as

Question # 5

Gypsum is applied to the soil to provide calcium and

Question # 6

______ is used in breathing equipments for mountaineers and in space craft

Question # 7

Which of the following is formed by the action of water on sodium peroxide?

Question # 8

A compound used as eye wash:

Question # 9

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

Question # 10

______ gives peroxide

Question # 11

The most acidic of the following compounds is

Question # 12

Which of the following is lighter

Question # 13

The chemical formula of gypsum is

Question # 14

Which of the following elements is most metallic?

Question # 15

Which colour is imparted by sodium

Question # 16

Sodium hexametaphophate is known as

Question # 17

Which shows maximum catenation property?

Question # 18

BiCl3on hydrolysis forms a white precipitate of

Question # 19

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

Question # 20

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 # 21

Sodium is never found free in nature because of its

Question # 22

Which of the following phosphorus is most reactive?

Question # 23

______ reacts with alkalis to give hydrogen

Question # 24

Alkaline earth metals posses two electrons in their outermost

Question # 25

Which element has highest oxidation potential

Question # 26

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

Question # 27

Which element forms an iron with charge 3+?

Question # 28

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

Question # 29

Baking powder has which one of the following formula

Question # 30

Which one of the following is not an alkali metal

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
2 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
3 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
4 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
A. Stronger reducing agents
B. More ionic
C. More basic
D. More volatile
5 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
6 Borax is a common mineral of alkali metal sodium. Its formula is
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
7 Tincal is a mineral of:
A. Al
B. B
C. Si
D. C
8 ______ is called milk of magnesia
A. NaOH
B. KOH
C. LiOH
D. None
9 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
10 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three

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