Question
Which metal is the best conductor of
electricity?Solution
Silver is the best conductor of electricity, though copper is more commonly used due to its lower cost.
For making of parachute, which polymeric substance used?
Which of the following reactions is commonly used in the hydrogenation of vegetable oils using a nickel catalyst?
Aqua regia, which can dissolve gold, is a freshly prepared mixture of concentrated hydrochloric acid and concentrated ______.
______is used to coat Galvanised Iron.
_______is the purest form of Carbon found in Nature.
______ is defined as the number of moles of solute per litre of solution.
Which of the following elements has the highest electronegativity.
The mine explosions are mostly caused by the combination of air with which gas?
Carbohydrates are organic compounds composed of which elements?Â
Which of the following is the sweetest sugar?
