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Recent questions tagged the p block elements
+2
votes
1
answer
If p = 0.02 and n = 64 then find SE (p).
asked
Apr 7, 2019
in
Class 12
by
kratos
neet
the p block elements
class-11
aiims
class-12
statistical inference
+1
vote
1
answer
Name this much publicized group of compounds, of which there are 209 congeners.
asked
Apr 6, 2019
in
Social Science
by
kratos
neet
the p block elements
aiims
general scince
patterns of social inequality and exclusion
class-12
+3
votes
1
answer
Complete the following chemical equations: (i) C + H2SO4 (conc.) →
asked
Apr 6, 2019
in
Class 12
by
kratos
isc
cbse
the p block elements
class-11
class-10
icse
carbon and its compounds
class-12
p - block element
+1
vote
1
answer
Which is the strongest acid in the following? (a) HCIO4 (b) H2SO3
asked
Apr 4, 2019
in
Class 12
by
kratos
neet
the p block elements
aiims
jee
hydrogen
jee mains
p - block element
+2
votes
1
answer
Nitrogen is found in gaseous state.
asked
Apr 3, 2019
in
Class 12
by
kratos
the p block elements
neet
aiims
+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
+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
+3
votes
1
answer
The mixture of concentrated HCl and HNO3 made in 3 : 1 ratio contains : (A) CIO2 (B) NOCl (C) NCI3
asked
Mar 30, 2019
in
Class 12
by
kratos
neet
the p block elements
jee
aiims
jee mains
p-block element
+1
vote
1
answer
Enrichment of U^235 is done by (a) IF7 (b) CIF3 (c) IF5 (d) CIF5
asked
Mar 30, 2019
in
JEE
by
kratos
isc
class-11
class-12
jee mains
the p block elements
chemical bonding
icse
jee
molecular structure
cbse
+1
vote
1
answer
(i) Draw the structure of : (a) BrF3
asked
Mar 30, 2019
in
Class 12
by
kratos
the p block elements
class-12
cbse
+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
+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
+1
vote
1
answer
Answer the following : (a) Why is NH3 more basic than PH3?
asked
Mar 29, 2019
in
Class 12
by
kratos
neet
cbse
the p block elements
aiims
class-12
+3
votes
1
answer
What would you observe When carbon monoxide is passed over heated copper oxide.
asked
Mar 28, 2019
in
Class 11
by
kratos
cbse
the p block elements
class-11
class-10
icse
chemical reactions and equations
metallurgy
+1
vote
1
answer
Which two of the following salts are used for preparing iodized salt?
asked
Mar 25, 2019
in
JEE
by
kratos
cbse
class-8
the p block elements
jee
acids bases and salts
reaching the age adolescence
icse
class-10
jee mains
class-12
halogens family
+1
vote
1
answer
Complete the following chemical reaction equations:
asked
Mar 24, 2019
in
Class 12
by
kratos
class-12
cbse
the p block elements
+2
votes
1
answer
Which of the following oxyacids does not exist? (a) H3SbO3 (b) HBiO3 (c) H3AsO4 (d) H3BiO4
asked
Mar 24, 2019
in
Class 12
by
kratos
neet
cbse
the p block elements
class-11
aiims
class-12
+3
votes
1
answer
Considering the parameters such as bond dissociation enthalpy, electron gain enthalpy and hydration
asked
Mar 24, 2019
in
Class 12
by
kratos
cbse
p-block elements
the p block elements
class-11
class-12
p - block element
+3
votes
1
answer
Structure of Xenon fluoride cannot be explained by valence bond approach. Why ?
asked
Mar 24, 2019
in
Class 12
by
kratos
neet
chemical bonding
p-block elements
coordination compounds
the p block elements
class-11
aiims
kvpy
molecular structure
class-12
+1
vote
1
answer
HI can not be prepared by heating NaI with conc.H2SO4. Give the method which is preferred for the preparation of HI.
asked
Mar 23, 2019
in
Class 12
by
kratos
neet
the p block elements
aiims
jee
jee mains
p-block element
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