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

Hypo is used in photography for

Question # 2

The chemical formula of chile salt peter is

Question # 3

Orthophosphoric acid is

Question # 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

Question # 5

Which of the following is acidic?

Question # 6

Bond angle is minimum for

Question # 7

The silver bromide in hypo (Na2S2O3) solution is

Question # 8

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 9

Which is litharge or massicot?

Question # 10

Baking powder has which one of the following formula

Question # 11

Copper oxide is dedected by borax bead test with colour:

Question # 12

HNO2acts as an/a

Question # 13

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

Question # 14

BiCl3on hydrolysis forms a white precipitate of

Question # 15

Solvay process is used in the manufacture of

Question # 16

The element which has a simple cubic lattice in solid state is

Question # 17

Hybridized in carbon is:

Question # 18

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

Question # 19

The chemical formula of gypsum is

Question # 20

The acid which has a peroxy linkage is

Question # 21

NaHCO3is commonly called

Question # 22

What is chrome yellow?

Question # 23

Which is an essential constituent of chlorophyll

Question # 24

Which one of the following pentafluorides cannot be formed?

Question # 25

The formula of lime stone is

Question # 26

The alkali metals form

Question # 27

Which of the element is not alkali metal

Question # 28

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 # 29

Which has soapy touch?

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
2 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
3 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
4 Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because
A. Sulphur is present in the mixture as impurity
B. IV group radicals are precipitated as sulphides
C. Of the oxidation of H2S gas by some acid radicals
D. III group radicals are precipitated as hydroxides
5 ______ gives peroxide
A. Li
B. Ba
C. Sr
D. Be
6 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
7 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these
8 Basicity of orthoposphoric acid is
A. 2
B. 3
C. 4
D. 5
9 The ore CaSO42H2O has the general name
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
10 Carbonates of alkali metals dissolves freely in water to form
A. Acidic solutions
B. Neutral solution
C. Alkaline solution
D. None of these

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