Practice MCQ Questions and answers on Chemistry-GK Page-14 section-9

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12

131.
The name of unreactive gas is

A. Carbon dioxide

B. Hydrogen

C. Nitrogen

D. Oxygen

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132.
The green colour seen in firework displays is due to the chloride salt of :

A. Sodium

B. Strontium

C. Barium

D. Calcium

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133.
In deep-sea diving, divers use a mixture of gases consisting of oxygen and

A. Hydrogen

B. Nitrogen

C. Argon

D. Helium

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134.
Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ?

A. Sodium

B. Neon

C. Hydrogen

D. Nitrogen

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135.
Which of the following is not soluble in water ?

A. Lead Sulphate

B. Zinc sulphate

C. Potassium sulphate

D. Sodium sulphate

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136.
The most volatile of the given liquids is

A. Ether

B. Liquid

C. Liquid NH₃

D. Liquid He

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137.
The three elements most needed in common fertilisers are :

A. Sulphur, Phosphorous and Sodium

B. Nitrogen, Potassium and Phosphorous

C. Phosphorous, Sodium and Nitrogen

D. Calcium, Phosphorous and Potassium

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138.
Liquid Nitrogen boils at

A. 77 kelvin

B. 82 Kelvin

C. 54 kelvin

D. 97 Kelvin

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139.
Which one of the following is not a fertilizer?

A. Ammonium sulphate

B. Calcium sulphate

C. Calcium ammonium nitrate

D. Potassium nitrate

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140.
Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs?

A. Methane

B. Nitrogen

C. Helium

D. Hydrogen

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Practice MCQ Questions and answers on Chemistry-GK

131. The name of unreactive gas is

Answer & Solution

132. The green colour seen in firework displays is due to the chloride salt of :

Answer & Solution

133. In deep-sea diving, divers use a mixture of gases consisting of oxygen and

Answer & Solution

134. Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ?

Answer & Solution

135. Which of the following is not soluble in water ?

Answer & Solution

136. The most volatile of the given liquids is

Answer & Solution

137. The three elements most needed in common fertilisers are :

Answer & Solution

138. Liquid Nitrogen boils at

Answer & Solution

139. Which one of the following is not a fertilizer?

Answer & Solution

140. Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs?

Answer & Solution

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131.
The name of unreactive gas is

132.
The green colour seen in firework displays is due to the chloride salt of :

133.
In deep-sea diving, divers use a mixture of gases consisting of oxygen and

134.
Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ?

135.
Which of the following is not soluble in water ?

136.
The most volatile of the given liquids is

137.
The three elements most needed in common fertilisers are :

138.
Liquid Nitrogen boils at

139.
Which one of the following is not a fertilizer?

140.
Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs?