In the Dumas method of estimation of nitrogen,the nitrogen in the organic compound
In the Dumas method of estimation of nitrogen,the nitrogen in the organic compound is finally converted into Options (a) NO₂…
In the Dumas method of estimation of nitrogen,the nitrogen in the organic compound is finally converted into Options (a) NO₂…
The energy of an electron in the 3rd orbit of hydrogen atom is -E. The energy of an electron in…
What is the amount of Chlorine evolved,when 2A of current is passed for 30 minutes in an aqueous solution of…
The enthalphy change for the reaction N₂ + 3H₂ → 2NH₃ is -92.38 kJ at 298K. The internal energy change…
A compound gives a positive test with I₂/NaOH and is extracted from benzene from benzen by saturated NaHSO₃.The compound is…
When a mixture of solid Nacl and solid K₂Cr₂O₇ is heated with concentrated sulphuric acid, the orange red vapours obtained…
Methyl bromide and ethyl bromide are mixed in equal proportion and the mixture is treaded with sodium,the number of possible…
Cellulose is a Options (a) hexapolysaccharide (b) pentapolysaccharide (c) tripolysaccharide (d) none of these Correct Answer: none of theseExplanation:No explanation…
Milk is an emulsion of Options (a) fat dispersed in milk (b) fat dispersed in water (c) water dispersed in…
Gasoline has composition Options (a) C₈–C₁₂ (b) C₂–C₅ (c) C₆–C₁₁ (d) none of these Correct Answer: C₆–C₁₁Explanation:No explanation available. Be…