Chemistry
Give a scientific term for each of the following:
(i) When a substance absorbs moisture from the atmosphere and does not form a solution.
(ii) When a compound loses water of crystallization on exposure to dry air.
Related Questions
The question refers to the elements of the periodic table with atomic numbers from 3 to 18. In the table below, the elements are shown by letters which are not indicative of the usual symbols of the elements.
At. No. 3 4 5 6 7 8 9 10 Element A B C D E F G H At. No. 11 12 13 14 15 16 17 18 Element I J K L M N O P Which of these is :
- a noble gas ?
- a halogen ?
- an element with valency 4 ?
Define Charles' law. Give its mathematical expression.
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.