Which one of the following is coated on the photographic plate?
A. Silver oxide
B. Silver bromide
C. Silver chloride
D. Silver iodide
Answer: Option B
A. Silver oxide
B. Silver bromide
C. Silver chloride
D. Silver iodide
Answer: Option B
Which one of the following is an organic acid?
A. Hydrochloric acid
B. Nitric acid
C. Acetic acid
D. Sulphuric acid
Vinegar used in cooking contains which of the following compounds?
A. Methanol
B. Sodium sulphate
C. Ammonia
D. Acetic acid
Muriatic acid is scientifically known as:
A. Perchloric Acid
B. Hydrochloric Acid
C. Sulphuric Acid
D. Picric Acid
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