A. Dry air
B. Pure oxygen
C. Moisture
D. Sunlight
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
A. Jet of water at high pressure
B. Blast of air
C. Mixture of water and air
D. Rain of molten lead
A. Orange yellow in alkaline medium
B. Orange yellow in acidic medium
C. Colourless in acidic medium
D. Colourless in basic medium
A. Free chlorine
B. Bromine
C. Iodine
D. Potassium permanganate
A. Mild steel
B. Concrete
C. Cast iron
D. Asbestos cement
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.