Which of the following metals forms an amalgam with other metals?
A. Tin
B. Mercury
C. Lead
D. Zinc
Answer: Option B
A. Tin
B. Mercury
C. Lead
D. Zinc
Answer: Option B
The tree which sends down roots from its branches to the soil is known as:
A. Oak
B. Pine
C. Banyan
D. Palm
Brass gets discoloured in air because of the presence of which of the following gases in air?
A. Oxygen
B. Hydrogen Sulphide
C. Carbon dioxide
D. Nitrogen
Which of the following is a non metal that remains liquid at room temperature?
A. Phosphorous
B. Bromine
C. Chlorine
D. Helium
Amalgam is the mixture of mercury with another element . It is generally used in in dental for teeth filling.