Exam Category
Chemistry
Showing 556 questions & PYQs organized by topics.
Chemistry
Carbon and its Compounds
10 Topics
01
Esters formed by reaction of an acid and an alcohol are generally…
RRB PYQ MCQ
02
The industrial hydrogenation of vegetable oils commonly uses which catalyst?
RRB PYQ MCQ
03
On treating an ester with sodium hydroxide (saponification), the products formed are…
RRB PYQ MCQ
04
Vegetable oils generally have _______ carbon chains while animal fats generally have…
RRB PYQ MCQ
05
Carbon burns in oxygen as: C + O2 -> CO2 + heat…
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06
Which reagent is used to convert CH3COOC2H5 back into ethanol and sodium…
RRB PYQ MCQ
07
The general formula CnH2n represents which class of hydrocarbons?
RRB PYQ MCQ
08
Which is the correctly balanced equation for combustion of methane?
RRB PYQ MCQ
09
Reaction of ethanoic acid with sodium hydroxide gives sodium ethanoate and:
RRB PYQ MCQ
10
Which is the correctly balanced equation for combustion of ethanol (C2H5OH)?
RRB PYQ MCQ