Plaster of Paris ______.
I. changes into gypsum on mixing with water
II. is CaSO4.2H2O
III. is used for decoration
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India was declared free from which infective eye disorder on 9 December, 2017?
Which of the following statements is/are true or false?
Statements :
A) H2S burns in air to give H2O and SO2
B) The decomposition of Ferrous Sulphate into Fe2O3, SO2 and SO3 occurs in the presence of heat.
The main source of National Income in India is
Fill in the blank with the most appropriate option.
Ethanol is denatured to ___.
Which one of the following is not a scheme/project of the present Government?
Which statement about PFD's is true?
1 kWh = __________ × 106J.