EASY
10th ICSE
IMPORTANT
Earn 100

Name the main component of the brass alloy.

Important Questions on Metallurgy

EASY
10th ICSE
IMPORTANT
Name the most common ore of the metal aluminium from which the metal is extracted. Write the chemical formula of the ore.
MEDIUM
10th ICSE
IMPORTANT
Name the process by which impure ore of aluminium gets purified by using concentrated solution of an alkali.
HARD
10th ICSE
IMPORTANT
Write the equation for the formation of aluminium at the cathode during the electrolysis of alumina.
EASY
10th ICSE
IMPORTANT

From the list of terms given, choose the most appropriate term to match the given description.

(calcination, roasting, pulverisation, smelting).

Crushing of the ore into a fine powder.

MEDIUM
10th ICSE
IMPORTANT

From the list of terms given, choose the most appropriate term to match the given description.

(calcination, roasting, pulverisation, smelting).

Heating of the ore in the absence of air to a high temperature.

EASY
10th ICSE
IMPORTANT

Name the following:

An alloy of lead and tin that is used in electrical circuits.

EASY
10th ICSE
IMPORTANT

Name the following:

An ore of zinc containing its sulphide.

MEDIUM
10th ICSE
IMPORTANT

Name the following:

A metal oxide that can be reduced by hydrogen.