Which of the following reactions is used for increasing the
number of carbon atoms in a chain?
1 Substitution reaction
2 Wurtz reaction
3 Friedel – Crafts reaction
4 Cannizzaro’s reaction
Answers were Sorted based on User's Feedback
Why we use nhexane inplace of hexane in mobilepase preparation
Heavy water is 1 Tritium oxide 2 Deuterium oxide 3 Rain water 4 None of these
What is one light hour?
Which of the following is not a compound? 1 Silica 2 Red lead 3 Slaked lime 4 Black lead
Quartz crystals normally used in quartz clocks etc. is chemically 1 Sodium silicate 2 Germanium oxide 3 Silicon dioxide 4 None of these
Why we use nhexane inplace of hexane in mobilepase preparation
Who suggested that most of the mass of the atom is located in the nucleus? 1 Thompson 2 Bohr 3 Rutherford 4 None of these
Who commanded the challenger’s first flight?
What is the growth ?
The chemical used as a ‘fixer’ in photography is 1 Borax 2 Sodium thiosulphate 3 Sodium sulphate 4 Ammonium persulphate
Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent
Papepr is manufactured by 1 Wod and resin 2 Wood, sodium and bleaching powder 3 Wood and bleaching powder 4 Wood, calcium, hydrogen sulphite and resin