Bell metal is an alloy of
A. Nickel and Copper
B. Zinc and Copper
C. Brass and Nickel
D. Tin and Copper
Answer: Option D
A. Nickel and Copper
B. Zinc and Copper
C. Brass and Nickel
D. Tin and Copper
Answer: Option D
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
Brass is the alloy of copper & Zink , bronze is the the alloy of copper & tin..bell metal is a type of bronze so it is made up of copper & tin.