Why are carbon and its compounds used as fuels for most applications ?
Most of the carbon compounds give a lot of heat and light when burnt in air. Saturated hydrocarbons burn with a clean flame and no smoke is produced. The carbon compounds, used as a fuel, have high calorific values. Therefore, carbon and its compounds are used as fuels for most applications.
People use a variety of methods to wash clothes. Usually after adding the soap, they ‘beat’ the clothes on a stone, or beat it with a paddle, scrub with a brush or the mixture is agitated in a washing machine. Why is agitation necessary to get clean clothes ?
How can ethanol and ethanoic acid be differentiated on the basis of their physical and chemical properties ?
What will be the formula and electron dot structure of cyclopentane ?
Explain the nature of the covalent bond using the bond formation in $CH_3Cl$.
A mixture of oxygen and ethyne is burnt for welding. Can you tell why a mixture of ethyne and air is not used ?