Materials Metal...

On burning, metals react with oxygen to produce

The constituents of which of the following alloys are lead and tin?

Which of the following metals does not react with water or even with steam?

Which of the following metals have low densities?

a. Sodium
b. Iron
c. Potassium
d. Copper

Which of the following statements is/are false?

a. The acidic, non-metal oxides turn blue litmus red.
b. Sulphur and phosphorus are the non-metals that are used in fireworks.
c. Non-metals react with dilute acids.

Solution(s) of which of the following with water turn(s) red litmus blue?

a. Magnesium oxide
b. Sulphur dioxide
c. Sodium oxide
d. Carbon dioxide

Which of the following elements is/are present in 22K gold?

Riya's class teacher explained the physical properties of non-metals. According to her teacher, the non-metal that is in solid state and has lustre is

According to Sweta's class teacher, metals are good conductors of electricity and heat. She tells Sweta about a liquid metal that is used in thermometers to test body temperature. The name of that liquid metal is

Which of the following properties of aluminium makes it useful to make parts of airplanes?

Read the following statements and choose the correct answer.

Statement I: Sulphur on reaction with oxygen forms sulphur dioxide, which dissolves in water to form sulphuric acid.
Statement II: Sulphur is a non-metal that forms an acidic oxide, which turns blue litmus red.

What are the constituents of stainless steel?