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Recent questions tagged metals and non metals
+3
votes
1
answer
The chief constituent of air is a. Hydrogen b. Oxygen c. Nitrogen
asked
Apr 2, 2019
in
Class 11
by
kratos
sanitation
the earth as a planet
class-8
metals and non metals
class-11
atmosphere
class-10
solid waste management
materials
states of matter
+2
votes
1
answer
The reaction of iron with copper sulphate solution is an example of :
asked
Apr 1, 2019
in
Class 10
by
kratos
physical
cbse
class-8
metals and non metals
acids bases and salts
class-7
class-10
chemical changes
chemical reactions and equations
materials
+2
votes
1
answer
Which non-metal is essential for our life and all living beings inhale it during breathing?
asked
Mar 29, 2019
by
kratos
class-8
metals and non metals
matter
metals and non-metals
materials
+3
votes
1
answer
What happens when a piece of (i) zinc metal is added to copper sulphate solution?
asked
Mar 26, 2019
in
Chemistry
by
kratos
practical chemistry
cbse
metals and non metals
class-10
icse
chemical reactions and equations
+2
votes
1
answer
Many metals and their alloys are used to prepare utensils why?
asked
Mar 25, 2019
in
JEE
by
kratos
metals and nonmetals
d-and f- block elements
class-8
metals and non metals
jee
class-6
jee mains
materials
water
+1
vote
1
answer
A metal that exists as a liquid at room temperature is obtained by heating its sulphide in the presence of air.
asked
Mar 25, 2019
in
Class 10
by
kratos
metals and nonmetals
cbse
metals and non metals
class-10
metals and non-metals
+3
votes
1
answer
You have four test tubes A, B, C and D filled with aqueous solution of same concentration but of different salts.
asked
Mar 18, 2019
in
Class 10
by
kratos
metals and nonmetals
cbse
metals and non metals
class-10
carbon and its compounds
icho
chemical reactions and equations
+3
votes
1
answer
Give suitable reason for the following– (a) Ionic solids are hard and brittle. (b) Copper is malleable and ductile
asked
Mar 8, 2019
in
Class 12
by
kratos
class-8
metals and non metals
solid state
materials
class-12
+3
votes
1
answer
Why does a copper vessel develop with green coating in rainy season?
asked
Mar 2, 2019
in
Class 10
by
kratos
metals and nonmetals
class-8
metals and non metals
class-10
metals and non-metals
chemical reactions and equations
materials
+3
votes
1
answer
Name a metal which produces hydrogen on reacting with alkali as well as with acid
asked
Feb 27, 2019
in
Class 10
by
kratos
metals and nonmetals
cbse
class-8
metals and non metals
class-10
materials
+3
votes
1
answer
The metal M reacts vigorously with water to form a solution * and a gas G. The solution * turns red litmus to
asked
Feb 26, 2019
in
Class 10
by
kratos
metals and nonmetals
cbse
class-8
metals and non metals
class-10
chemical reactions and equations
materials
+3
votes
1
answer
The property of metals by which they can be beaten into thin sheets is called ...........
asked
Feb 20, 2019
in
Class 10
by
kratos
metals and non-metals
metallurgy
class-10
metals and non metals
class-8
icse
materials
cbse
+1
vote
1
answer
What type of oxides are formed, when non-metals combine with oxygen?
asked
Feb 17, 2019
in
Class 10
by
kratos
metals and nonmetals
materials
cbse
class-8
metals and non metals
class-10
ncert class 10 science
+1
vote
1
answer
Which of the following can be beaten into thin sheets? a. Zinc b. Phosphorus c. Sulphur d. Oxygen
asked
Feb 8, 2019
in
Class 10
by
kratos
class-8
metals and non metals
class-10
icse
metals and non-metals
materials
metallurgy
+3
votes
1
answer
In the process of electroplating a utensil with zinc,
asked
Feb 7, 2019
by
kratos
cbse
class-8
metals and non metals
equations in one variable
lets play with water
metals and non-metals
materials
class-5
water
+1
vote
1
answer
An aqueous solution of a gas (X) turns red litmus blue. When added to excess of copper sulphate solutiory
asked
Feb 4, 2019
in
JEE
by
kratos
salt
class-8
metals and non metals
jee
acids bases and salts
class-10
jee mains
materials
qualitative analysis
+3
votes
1
answer
Two solutions X and Y have Ph values of 4 and 10 respectively. Which one of these two will give a pink colour with phenolphthalein indicator?
asked
Jan 31, 2019
in
Class 10
by
kratos
acids
cbse
class-8
metals and non metals
acids bases and salts
class-7
class-10
materials
+3
votes
1
answer
Aqueous solution of which of the following compound turn red litmus to blue
asked
Jan 28, 2019
in
Class 10
by
kratos
cbse
class-8
metals and non metals
acids bases and salts
class-10
class-7
materials
+1
vote
1
answer
Potassium is kept in : (a) ammonia (b) alcohol (c) kerosene (d) water
asked
Jan 22, 2019
in
JEE
by
kratos
class-8
metals and non metals
class-11
jee
class-9
class-10
jee mains
is matter around us pure
materials
states of matter
+3
votes
1
answer
When chlorine reacts with cold and dilute solution of sodium hydroxide, the products
asked
Jan 21, 2019
in
JEE
by
kratos
p - block elements
class-8
metals and non metals
jee
hydrogen
jee mains
materials
class-12
p - block element
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