Solutions Test

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Solutions Test - 36

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Weekly Quiz Competition

Question 1
4 / -1

0.004 gm O₂ is dissolved in an aqueous solution of 50 litre, then, what would be the ppm of solution by weight-volume ?

A
0.04

B
0.008

C
0.004

D
0.08
Question 2
4 / -1

The concentration of Ca²⁺ ion in a sample of water is 0.0002 M then what would be the concentration of Ca²⁺ in ppm by weight-volume ? (Atomic wt. of ca = 40 gm/mole)

A
4

B
8

C
0.08

D
0.4
Question 3
4 / -1

The concentration of F^–ion in a sample of water is 10 ppm; then, concentration of F^– ion in a solution in % w/v is

A
10^–3

B
10^–2

C
10

D
10^–4
Question 4
4 / -1

What would be the weight of O₂ gas in gram dissolved in an aqueous solution of 500ml having strength 5 ppm ?

A
0.025

B
2.5 × 10^–4

C
2.8 × 10^–3

D
2.8 × 10^–5
Question 5
4 / -1

What would be the molarity of solution prepared by taking a mixture of 1400 ml 0.3 M, 700 ml 0.4 M and 500 ml 1.2 M aqueous solutions ?

A
0.5 M

B
0.8M

C
0.6M

D
0.7M

Solution
Question 6
4 / -1

What quantity of KOH is required to prepare 10 % w/w KOH solution having weight 1000 gm ?

A
50 gm

B
25 gm

C
100 gm

D
150 gm
Question 7
4 / -1

What amount of water is added in an aqueous solution of 5000 ml having concentration 1.5 M to prepare 0.5 M solution ?

A
15 litre

B
5 litre

C
10 litre

D
20 litre

Solution
Question 8
4 / -1

On Which factors, the solubility of gaseous solute in liquid depends ?

A
temperature

B
Pressure of the gas

C
Nature of gaseous solute and solvent

D
Given all
Question 9
4 / -1

At 293 K temperature, if partial pressure of all given gases are same, then, which of the following gas possesses maximum solubility in water ?

A
He

B
N₂

C
H₂

D
O₂
Question 10
4 / -1

At 298 K temperature, if partial pressure of all given gases are same, then, which of the following gas possesses least solubility in water ?

A
carbon dioxide

B
formaldehyde

C
methane

D
vinyl chloride

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Re-Attempt Weekly Quiz Competition

Solutions Test - 36

Result

Solutions Test - 36

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SHARING IS CARING

Question 1

0.04

0.008

0.004

0.08

Question 2

4

8

0.08

0.4

Question 3

10–3

10–2

10

10–4

Question 4

0.025

2.5 × 10–4

2.8 × 10–3

2.8 × 10–5

Question 5

0.5 M

0.8M

0.6M

0.7M

Solution

Question 6

50 gm

25 gm

100 gm

150 gm

Question 7

15 litre

5 litre

10 litre

20 litre

Solution

Question 8

temperature

Pressure of the gas

Nature of gaseous solute and solvent

Given all

Question 9

He

N2

H2

O2

Question 10

carbon dioxide

formaldehyde

methane

vinyl chloride

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10^–3

10^–2

10^–4

2.5 × 10^–4

2.8 × 10^–3

2.8 × 10^–5

N₂

H₂

O₂