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

Alkali metals react violently with halogens to form

Question # 2

Sulphuric acid has great affinity for water because

Question # 3

Hybridized in carbon is:

Question # 4

Which of all following compound is not possible

Question # 5

Which of the element is not an alkaline earth metal

Question # 6

Which one of the following is not an alkali metal

Question # 7

Sodium should be stored in

Question # 8

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

Question # 9

Sodium is never found free in nature because of its

Question # 10

Which property is not present in Al?

Question # 11

The formula of lime stone is

Question # 12

Chile saltpetre has the chemical formula

Question # 13

NaHCO3is commonly called

Question # 14

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 15

Bond angle is minimum for

Question # 16

Carbonates of alkali metals dissolves freely in water to form

Question # 17

When SO2is passed through acidified K2Cr2O7solution

Question # 18

Lime, calcium oxide, is used in agriculture for

Question # 19

Hypo is used in photography for

Question # 20

S-block elements consist of

Question # 21

What is the formula of asbestos?

Question # 22

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

Question # 23

The ore CaSO42H2O has the general name

Question # 24

Crystalline form of sulphur stable at room temperature is

Question # 25

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

Question # 26

Which is not the form of silica?

Question # 27

Which of the following is not the reactions of lithium

Question # 28

Silicon atom is hybridized:

Question # 29

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 30

What is going to replace the petroleum?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus
2 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K
3 Which of all following compound is not possible
4 Borax is a common mineral of alkali metal sodium. Its formula is
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
5 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
6 Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?
A. 1s, 2s2, 2p6, 3s2, 3p6, 4s2
B. 1s2 , 2s2 , 2p6 , 3s2, 3p1
C. 1s2, 2s2, 2p6
D. 1s2, 2s2, 2p6, 3s2, 3p3
7 BiCl3on hydrolysis forms a white precipitate of
A. Bismuthio acid
B. Bismuth oxychloride
C. Bismuth pentachloride
D. Bismuth hydroxide
8 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1
9 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
10 Sodium hexametaphophate is known as
A. Calgon
B. Permutite
C. Natalite
D. Nitrolim

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