Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged p-block elements
+3
votes
1
answer
Assertion : Heavy water preferred over ordinary water as a moderator in reactors.
asked
Apr 7, 2019
in
Class 12
by
kratos
neet
p-block elements
class-11
aiims
hydrogen
class-12
nuclei
+2
votes
1
answer
Why is I2 less reactive than ICl?
asked
Apr 5, 2019
in
Class 12
by
kratos
cbse
p-block elements
group 17 elements
class-12
p - block element
+2
votes
1
answer
The following is incorrect statement. 1. Beaching powder is used as a germicide.
asked
Apr 4, 2019
in
Class 12
by
kratos
p-block elements
class-12
+3
votes
1
answer
Match the following. A) Teargas 1) [C2 H 4Cl ]2 *
asked
Apr 2, 2019
in
Class 12
by
kratos
cbse
p-block elements
thermodynamic
class-11
class-12
+2
votes
1
answer
How would you account for the following: (i) H2S is more acidic than H2O.
asked
Apr 2, 2019
in
Class 12
by
kratos
cbse
p-block elements
class-11
class-12
p - block element
+1
vote
1
answer
Number of *–O bond in S2O8^2– and number of *–* bond in Rhombic sulphur are respectively:
asked
Apr 1, 2019
in
Class 12
by
kratos
neet
p-block elements
the p block elements
jee
aiims
solid state
jee mains
class-12
the solid state
jee advanced 2019
+2
votes
1
answer
A colourless gas with the smell of rotten fish is
asked
Apr 1, 2019
in
JEE
by
kratos
solutions
p-block elements
class-11
jee
class-12
chemestry practical
jee mains
p-block element
+3
votes
1
answer
F2 is most reactive of all the four common halogens.
asked
Mar 31, 2019
in
Chemistry
by
kratos
neet
p-block elements
csat
the p block elements
aiims
inorganic chemistry
class-12
p - block element
+2
votes
1
answer
HF is not preserved in glass bottles because (a) it reacts with the aluminium oxide of the glass
asked
Mar 31, 2019
in
Class 12
by
kratos
p - block elements
cbse
p-block elements
acids bases and salts
class-10
metals and non-metals
class-12
+2
votes
1
answer
Carbon and silicon are tetravalent but Ge, Sn and Pb show divalency also.
asked
Mar 30, 2019
in
Class 12
by
kratos
p-block elements
class-11
p-block element
bseb model set
class-12
p - block element
+1
vote
1
answer
How nitric acid reacts with copper.
asked
Mar 30, 2019
in
Class 12
by
kratos
p-block elements
nitric acid
class-10
icse
study of compounds
class-12
+2
votes
1
answer
Solution A reacts with an acid B (which gives greenish-yellow gas on reacting with oxidizing
asked
Mar 29, 2019
in
Class 12
by
kratos
p - block elements
hydrogen chloride
cbse
p-block elements
class-10
icse
study of compounds
class-12
p - block element
+1
vote
1
answer
AlF3 is insoluble in anhydrous HF but when little KF is added to the compound it becomes soluble.
asked
Mar 29, 2019
in
Class 12
by
kratos
neet
cbse
p-block elements
p-block element
class-11
class-12
p - block element
+2
votes
1
answer
Bromine is added to cold dilute aqueous solution of sodium hydroxide.
asked
Mar 29, 2019
in
Class 12
by
kratos
neet
cbse
p-block elements
the p block elements
jee main 2020
aiims
class-10
class-12
p - block element
+2
votes
1
answer
Fertilizer used by a farmer.
asked
Mar 29, 2019
in
Class 12
by
kratos
isc
p-block elements
class-11
improvement in food resources
icse
class-12
rural development
+2
votes
1
answer
Which allotrope of carbon is used in making of pencil ?
asked
Mar 27, 2019
in
Class 12
by
kratos
p-block elements
class-11
class-9
class-10
carbon and its compounds
class-12
+3
votes
1
answer
What happen'* when glucose reacts with concentrated HNO3? Give chemical equation.
asked
Mar 27, 2019
in
JEE
by
kratos
p-block elements
jee
biomolecules
jee mains 2019
jee mains
class-12
halogens family
+1
vote
1
answer
Why are powdered substances more effective adsorbents than their crystalline forms?
asked
Mar 26, 2019
in
Chemistry
by
kratos
p-block elements
class-12
p - block element
cbse
surface chemistry
+1
vote
1
answer
Why does borontrifluoride behave as a Lewis acid?
asked
Mar 26, 2019
in
Class 12
by
kratos
neet
cbse
p-block elements
class-11
jee
jee mains
class-12
p - block element
+2
votes
1
answer
Which of the following hydrides has the lowest boiling point? (a) H_2O (b) H_2S
asked
Mar 26, 2019
in
Class 12
by
kratos
p-block elements
class-12
p - block element
To see more, click for the
full list of questions
or
popular tags
.
