Metals And Non ...

Which one of the following is a non-metal that remains liquid at ordinary temperature?

There is no reaction when steam is passed over heated

When steam is passed through red hot iron, the gas produced is

Carbon dioxide can be prepared by

In aluminothermic process, aluminium plays a role

Which of the following statements is not true about copper?

Match the Metals (Column I) with their respective ores (Column II):

A sample of natural water turns milky on boiling. It probably contains dissolved

Match the following.

Steel contains

The flux used in the blast furnace to remove the unwanted impurities is

Mercury is used as a solvent in refining

Matrix is defined as

Brass is an alloy of

Solder metal is an alloy of

Stainless steel is an alloy of iron and

Cadmium is used in nuclear reactors because it

Which of the following characteristics is common in both sodium (Na) and potassium (K), but different in magnesium (Mg)?

Which metal is generally mixed with gold to make ornaments?

Gunpowder contains