Chemistry
(i) Name an element which does not form compound.
(ii) Give one example of Dobereiner's Triads.
Related Questions
Give a balanced chemical equation for the following :
(i) Exothermic reaction that is also a combination reaction.
(ii) A decomposition reaction involving salt of zinc.
(iii) A double decomposition reaction where a white precipitate is formed.
Define a redox reaction. Give an equation and in it indicate the substance being oxidised and the substance being reduced.
(i) What is the function of ozone in atmosphere ?
(ii) Name a salt whose solubility first increases and then decreases on increasing the temperature.
It is found, on heating a gas, its volume increases by 50% and pressure decreases to 60% of its original value. If the original temperature was -15°C, find the temperature to which it was heated?