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

Chile saltpetre has the chemical formula

Question # 2

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

Question # 3

Al is the most element in earth crust:

Question # 4

Which of the following is lighter

Question # 5

Heavy water is obtained by

Question # 6

Ozone is not

Question # 7

Sulphuric acid reacts with PCl5to give

Question # 8

NaHCO3is prepared by

Question # 9

Down's cell is used to prepare

Question # 10

The most acidic of the following compounds is

Question # 11

What is the formula of asbestos?

Question # 12

Which colour is imparted by sodium

Question # 13

Which of the following is not the reactions of lithium

Question # 14

Which of the following element is most reactive

Question # 15

The chemical formula of Epson salt is

Question # 16

Which of the following sulphates has the highest solubility in water

Question # 17

Sodium forms largely

Question # 18

All the following decompose easily on heating to give oxygen except

Question # 19

Alkaline earth metals are usually

Question # 20

Which one of the following is not an alkali metal

Question # 21

Which of the following sulphates is not soluble in water

Question # 22

Solvay process is used in the manufacture of

Question # 23

Which shows maximum catenation property?

Question # 24

Plaster of pares is obtained by heating

Question # 25

Alkaline earth metals posses two electrons in their outermost

Question # 26

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

Question # 27

Crystalline form of sulphur stable at room temperature is

Question # 28

Basicity of orthoposphoric acid is

Question # 29

Identify the incorrect statement with respect to ozone

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Which one of the following properties is not correct for ozone?
A. It oxidizes lead sulphides
B. It oxidizes potassium iodide
C. It oxidizes mercury
D. It cannot act as a bleaching agent
3 What is going to replace the petroleum?
A. Silica
B. Silicates
C. Silicones
D. Silicon
4 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
5 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
6 Which of the following elements is most metallic?
A. P
B. As
C. Sb
D. Bi
7 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
8 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K
9 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs
10 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer

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