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Recent questions tagged changes around us
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vote
1
answer
Explain evaporation and condensation ?
asked
Apr 6, 2019
in
Class 11
by
kratos
separation of substances
solutions
changes around us
class-11
class-6
class-7
water
+2
votes
1
answer
What is rancidity? Mention any two ways by which rancidity can be prevented.
asked
Mar 30, 2019
in
Class 12
by
kratos
changes around us
class-8
cbse
class-10
fatty acid metabolism abolism
fatty acid metabolism
fats
chemical reactions and equations
class-12
+3
votes
1
answer
Mayurbanj Iron-ore producing area is in ?
asked
Mar 30, 2019
in
Class 12
by
kratos
industries population
cbse
changes around us
power resources
mineral resource
multipurpose projects of india
class-8
mineral
class-10
icse
equilibrium
class-12
+3
votes
1
answer
An amorphous solid “A” burns in air to form a gas “B” which turns lime water milky. The gas is also produced as a by-product during roasting
asked
Mar 29, 2019
in
JEE
by
kratos
salt
cbse
changes around us
the p block elements
class-11
jee
class-7
jee mains
class-12
+2
votes
1
answer
During curdling of milk, what happens to sugar present in it?
asked
Mar 28, 2019
in
Class 12
by
kratos
neet
changes around us
cbse
aiims
biomolecules
nutrition
class-7
class-12
digestive system
+1
vote
1
answer
Give examples to explain the difference between changes that can or cannot be reversed.
asked
Mar 27, 2019
by
kratos
class-6
class - 6
changes around us
+1
vote
1
answer
Define : (a) Antiseptics (b) Antioxidants
asked
Mar 25, 2019
in
Chemistry
by
kratos
zoology
chemistry in everyday life
changes around us
class-8
csat
class-10
chemical reactions and equations
class-12
+2
votes
1
answer
Ice cubes in a glass of liquid water will eventually melt and all the water approach room temperature. Is this a reversible process?
asked
Mar 23, 2019
in
Class 11
by
kratos
energy equation
changes around us
class-8
class-11
thermodynamics
class-9
class-7
heat
+1
vote
1
answer
Which of the following are physical changes? (i) Melting of iron metal (ii) Rusting of iron (iii) Bending of an iron rod
asked
Mar 22, 2019
in
Class 10
by
kratos
changes around us
class-8
cbse
matter around us pure
chemical reactions
class-7
class-10
chemical reactions and equations
+3
votes
1
answer
In a mixed culture of slow and fast growing bacteria, penicillin will
asked
Mar 20, 2019
in
Class 12
by
kratos
diversity in living organisms
population
changes around us
cbse
kvpy
class-6
class-12
organism
+1
vote
1
answer
Discuss the term ‘flapper look’.
asked
Mar 19, 2019
by
kratos
courage
symmetry
class-7
class-6
sindbad
changes around us
+3
votes
1
answer
A ball of dough is rolled into a flat chapatti. Name the force exerted to change the shape of the dough.
asked
Mar 14, 2019
in
Class 10
by
kratos
changes around us
class-8
understanding three dimensional shapes
class-6
class-10
icse
force
+1
vote
1
answer
What is quick lime, slaked lime and lime water ?
asked
Mar 13, 2019
in
Class 11
by
kratos
changes around us
class-8
cbse
class-11
alkali and alkaline earth metals
+3
votes
1
answer
Table sugar, from sugar cane or beet, is what type of sugar?
asked
Mar 13, 2019
in
Class 12
by
kratos
class-12
class-11
general scince
class-6
biomolecules
changes around us
+1
vote
1
answer
During curdling of milk, what happens to sugar present in it ?
asked
Mar 13, 2019
in
Class 12
by
kratos
neet
changes around us
cbse
aiims
biomolecules
nutrition
class-7
class-12
digestive system
+3
votes
1
answer
Can we reverse the following changes? If yes, suggest the name of the method.
asked
Mar 11, 2019
by
kratos
class - 6
changes around us
+2
votes
1
answer
What is exothermic /endothermic reaction?
asked
Mar 11, 2019
in
Class 11
by
kratos
changes around us
class-8
class-11
thermodynamics
equilibrium
+2
votes
1
answer
What happens when- (a) Calcium formate is heated strongly? (b) Methanol reacts with ammonia?
asked
Mar 11, 2019
in
Class 12
by
kratos
isc
changes around us
matter
class-6
icse
maxwells equations
magnetism
class-12
+3
votes
1
answer
The property by which certain hydrated salts, when left exposed to atmosphere, lose their water of crystallization and crumble into powder.
asked
Mar 9, 2019
in
Chemistry
by
kratos
chemistry in everyday life
basic concepts of chemistry
cbse
changes around us
class-11
acids bases and salts
class-10
icse
class-7
chemical calculations
+1
vote
1
answer
What is germination?
asked
Mar 7, 2019
in
Class 11
by
kratos
class-6
class-11
changes around us
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