Chemistry
Name an alloy of:
(a) Aluminium used in aircraft construction
(b) Lead, used in electrical circuits in joining metals.
(c) Copper, in electrical appliances or household vessels.
Related Questions
Calculate:
(a) A compound contains 69.5% oxygen, 30.5% nitrogen and its molecular weight is 92. Then what will be the molecular formula of the compound?
(b) If the empirical formula of a compound is CHO and its vapour density is 29, find the molecular formula of the compound.
Rahul performed an experiment for the preparation of sulphuric acid. Answer the following questions pertaining to it.
(a) Name the process which is involved in this experiment used for the large scale manufacturing of sulphuric acid.
(b) Which property of sulphuric acid accounts for its use as a dehydrating agent?
(c) Concentrated sulphuric acid acts as both an oxidising agent and a non-volatile acid. Write one equation each to illustrate the above mentioned properties of sulphuric acid.
(a) State why ethyne burns in oxygen with a sooty flame?
(b) Write the balanced chemical equation when water is added to calcium carbide.
Name the gas evolved in the following reactions:
(a) when calcium carbide is hydrolysed.
(b) when ethene undergoes hydrogenation.