Bauxite is an ore of

The metal which is liquid at room temperature is

The sulphide ores are converted into oxides by heating strongly in the presence of excess air. This process is known as

In electrolytic refining, the cathode is made up of

Which of the following represent the correct order of decreasing reactivity?

An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be

Which among the following is the most abundant metal found in the earth’s crust?

Which of the following pairs of reactants will undergo a displacement reaction?

Galvanisation is a method of protecting steel and iron from rusting by coating them with a thin layer of

Which of the following alloys contains a non-metal as one of its constituents?

An element X is soft and can be cut with the help of a knife. It is very reactive to air and cannot be kept open in the air. It reacts vigorously with water. Identify the element from the following:

Which property of metals is used for making bells and strings of musical instruments like Sitar and Violin?

The highly reactive metals like Sodium, Potassium, Magnesium, etc. are extracted by the

Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z?

Amalgam is an alloy of

Copper objects lose their shine and form green coating of

Silver articles becomes black on prolonged exposure to air. This is due to the formation of

Which of these non-metals is a good conductor of electricity?

The most malleable metals are......