Atomic MCQ’s
1. The ratio of the e/m values of a proton and an α-particle is (a) 2 : 1 (b) 1 : 1 (c) 1 : 2 (d) 1 : 4…
Chemistry MCQ for Exam
1 Mole fraction of glycerine C3H5(OH)3 in solution containing 36 g of water and 46 g of glycerine is (a) 0.46 …
GIVE REASONS – ALCOHOLS, PHENOLS & ETHERSGIVE REASONS –
Ortho and para-nitrophenols are more acidic than phenol. Due to -R-effect of NO2 group, o-and p-nitro phenoxide ions are more stable than phenoxide ion. Consequently, o- and p-nitrophenols are more…
ORGANIC CHEMISTRY GIVE REASONS – HALOALKANES AND HALOARENES
Why is sulphuric acid not used during the reaction of alcohols with KI? H2SO4 cannot be used along with KI in the conversion of an alcohol to an alkyl iodide…
MCQ of Cell
1. The basic unit of life is: a) tissue b) cell c) both d) none of them Answer 2. Who discovered the cell? a) Robert Hooke b) Leeuwenhoek c) Robert…
Demo Quiz
1. The number of all one-one functions from set A = {1, 2, 3} to itself is a) 2 b) 6 c) 3 d) 1 Answer 2. A relation R…
Quiz
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