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Recent questions and answers in Chemistry
+1
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1
answer
Balance the following equations by ion electron method?
answered
Apr 7, 2021
in
Chemistry
by
kratos
basic concepts of chemistry
cbse
class-11
redox reaction
reduction reaction
chemical calculations
oxidation
class-12
+1
vote
1
answer
Among the following, the narrow spectrum antibiotic is :
answered
Apr 7, 2021
in
Chemistry
by
kratos
class-12
chemistry in everyday life
neet 2019
cbse
+2
votes
1
answer
What are the disadvantages of nickel cadmium battery?
answered
Apr 7, 2021
in
Chemistry
by
kratos
batteries
class-12
batteries and charger
electrochemistry
+1
vote
1
answer
For the following compounds, write structural formulas and IUPAC names for all possible isomers having
answered
Apr 7, 2021
in
Chemistry
by
kratos
organic chemistry
cbse
class-11
hydrocarbons
class-10
icse
+2
votes
1
answer
8.2 x 10^12 litres of water is available in a lake. A power reactor using the electrolysis of water in the lake produces
answered
Apr 7, 2021
in
Chemistry
by
kratos
class-12
electro chemistry
+1
vote
1
answer
The general formula of alkyne is ……….
answered
Apr 7, 2021
in
Chemistry
by
kratos
organic chemistry
class-11
+1
vote
1
answer
Calculate the standard enthalpy of the reaction, 2C(graphite) + 3H2(g) →C2H6(g) ; ΔH° = ?
answered
Apr 7, 2021
in
Chemistry
by
kratos
thermochemistry
class-11
thermodynamics
+1
vote
1
answer
Which of the following are isomers - (1) Ethanol and ethoxy ethane (2) Methanol and methoxy methane
answered
Apr 7, 2021
in
Chemistry
by
kratos
organic chemistry
cbse
class-10
hydroxy compounds and ethers
icse
kcet
class-12
alcohols phenols and ethers
+1
vote
1
answer
State any four differences between Primary market and Secondary Market.
answered
Apr 7, 2021
in
Chemistry
by
kratos
isc
collection of data
electrochemistry
electricity
class-11
biomolecules
class-7
icse
class-12
+3
votes
1
answer
How can domestic waste be used as manure?
answered
Apr 7, 2021
in
Chemistry
by
kratos
environmental chemistry
manure
cbse
class-11
domestic waste
fertilizers
food resources
+3
votes
1
answer
What was used by the name "Agent Orange" by America to defoliate forests of Vietnam ?
answered
Apr 7, 2021
in
Chemistry
by
kratos
environmental chemistry
neet
cbse
csat
aiims
plant growth and development
class-10
the nationalist movement in indo-china
+1
vote
1
answer
Assertion : Sulpha **** contain sulphonamide group. Reason: Salvarsan is a sulpha ****.
answered
Apr 7, 2021
in
Chemistry
by
kratos
chemistry in everyday life
neet
cbse
aiims
class-12
+3
votes
1
answer
What are the limitations of Arrhenius concept?
answered
Apr 6, 2021
in
Chemistry
by
kratos
chemistry in everyday life
class-11
class-10
ionic equilibrium
class-12
+3
votes
1
answer
Match the following Column - I Column - II A. Kanamycin 1. Synthetic oestrogen
answered
Apr 6, 2021
in
Chemistry
by
kratos
class-12
chemistry in everyday life
+3
votes
1
answer
Why is potassium permanganate used for purifying drinking water? A. It ***** germs
answered
Apr 6, 2021
in
Chemistry
by
kratos
nda
class-12
class-10
neet
class-8
pollution of air and water
cbse
chemistry in everyday life
aiims
+2
votes
1
answer
Why is the coil of a transformer coated with enamel?
answered
Apr 6, 2021
in
Chemistry
by
kratos
beee
chemistry in everyday life
class-11
digestion and absorption
acids bases and salts
class-10
+3
votes
1
answer
The oxidation number of fluorine in all its compounds is equal to … (a) -1 (b) +1 (c) – 2 (d) +2
answered
Apr 6, 2021
in
Chemistry
by
kratos
class-11
basic concepts of chemistry
chemical calculations
+3
votes
1
answer
1. H2O2 → H2O + O2 2. H2 + Cl2 → HCl
answered
Apr 6, 2021
in
Chemistry
by
kratos
language of chemistry
class-7
icse
class-8
+2
votes
1
answer
Match the following Column - I Column - II A. Anionic detergent 1. Potassium salt of higher fatty acid
answered
Apr 6, 2021
in
Chemistry
by
kratos
class-12
chemistry in everyday life
+3
votes
1
answer
Consider the following statements …… (i) Empirical formula shows the actual number of atoms of different elements in one molecule of the compound.
answered
Apr 6, 2021
in
Chemistry
by
kratos
class-11
basic concepts of chemistry
chemical calculations
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Recent questions and answers in Chemistry