Some Basic Concepts of Chemistry Test

Result

Some Basic Concepts of Chemistry Test - 22

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Weekly Quiz Competition

Question 1
4 / -1

If molecular weight of KMnO₄ is M , then its equivalent weight in acidic medium would be

A
M

B

C

D

Solution
Question 2
4 / -1

74.5 g of a metallic chloride contains 35.5 g of chlorine, the equivalent weight of the metal is

A
19.5

B
35.5

C
39

D
78.0

Solution
Question 3
4 / -1

3 g of an oxide of a metal is converted to chloride completely and it yielded 5 g of chloride. The equivalent weight of the metal is

A
33.25

B
3.325

C
12

D
20

Solution
Question 4
4 / -1

A

B
M

C
2M

D

Solution
Question 5
4 / -1

A gas is found to have a formula [CO]_x. Its vapour density is 70, the x is

A
3.0

B
3.5

C
5.0

D
6.5

Solution
Question 6
4 / -1

4 g of copper was dissolved in concentrated nitric acid. The copper nitrate solution on strong heating gave 5 g of its oxide. The equivalent weight of copper is

A
23

B
32

C
12

D
20

Solution
Question 7
4 / -1

A
158

B
31.6

C
39.5

D
79

Solution
Question 8
4 / -1

A
18

B
68

C
34

D
17

Solution
Question 9
4 / -1

A
be a function of the molecular mass or the substance

B
remain unchanged

C
increase two fold

D
decrease twice

Solution
Question 10
4 / -1

The equivalent weight of a certain trivalent element is 20. Molecular weight of its oxide is

A
152

B
56

C
168

D
68

Solution