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Recent questions and answers in Class XI Chemistry
0
votes
1
answer
Some examples of thermoplastic
answered
Jun 7
in
Class XI Chemistry
by
Vikas Kumar
(
19
points)
0
votes
0
answers
The 6.022×10^23 particles having mass
asked
May 29
in
Class XI Chemistry
by
Akhil_sharma
(
11
points)
0
votes
0
answers
A mixture of 1.65*10^21 molecules of X and 1.85*10^21 molecules of Y weighs 0.688g.The mol. Wt of X is (assume mol. Wt. Of Y=187)
asked
May 29
in
Class XI Chemistry
by
Akhil_sharma
(
11
points)
0
votes
2
answers
The probability density plots of Is and 2s orbitals are given in the following figures. st
answered
May 27
in
Class XI Chemistry
by
Ash
Basic
(
24
points)
structure of atom
0
votes
0
answers
Water sample boils in a beaker to boil at 101.5°C at 1atp assuming thermometer was not faulty explain observation
asked
May 1
in
Class XI Chemistry
by
Memscatara
(
15
points)
chemical-coordinatio
0
votes
0
answers
What is element
asked
Mar 15
in
Class XI Chemistry
by
Imad bhat
(
16
points)
0
votes
0
answers
LiH is a Molecular Hydride? Yes or no?
asked
Mar 8
in
Class XI Chemistry
by
Kichu
(
15
points)
+1
vote
0
answers
What are s block elements. Discuss the periodic trend in case of alkali metals for atomic size and electronic configuration
asked
Jan 18
in
Class XI Chemistry
by
Juicy chicku
(
16
points)
0
votes
0
answers
LiI has lower melting point than LiF. Why?
asked
Jan 8
in
Class XI Chemistry
by
Harshi Varshney
(
11
points)
+1
vote
0
answers
LiCl is more covalent than KCl. Why?
asked
Jan 8
in
Class XI Chemistry
by
Harshi Varshney
(
11
points)
+1
vote
1
answer
Convert into moles (1) 12g of oxygen gas (2) 22gof carbon dioxide
answered
Dec 8, 2018
in
Class XI Chemistry
by
Amresh
Pro
(
116
points)
0
votes
1
answer
How fluorine can show plus one Oxidation state in HOF compound
answered
Dec 8, 2018
in
Class XI Chemistry
by
Amresh
Pro
(
116
points)
redox reactions
+2
votes
0
answers
1 mole of mg is in the vapour state absorbed 1200 kj mol energy.if the first and second I.E of Mg are 750 and 1450 kj mol the final composition of the mixture is
asked
Oct 30, 2018
in
Class XI Chemistry
by
liza
(
11
points)
0
votes
3
answers
In PO43- ion the formal charge on the oxygen atom of P – O bond is
answered
Oct 23, 2018
in
Class XI Chemistry
by
Prem002
Basic
(
24
points)
chemical bonding and molecular structure
0
votes
0
answers
The volume of gas reduced to half from its orignal volume. The specific volume will be
asked
Oct 4, 2018
in
Class XI Chemistry
by
Chaitali
(
15
points)
0
votes
2
answers
First member of each group of representative elements (i.e., s and p-block elements) shows anomalous behaviour. Illustrate with two examples.
answered
Aug 30, 2018
in
Class XI Chemistry
by
jamesclinton111
Basic
(
24
points)
classification of elements and periodicity in properties
+1
vote
0
answers
What is meant by nodal planes and explain their types with their formulas?
asked
Aug 19, 2018
in
Class XI Chemistry
by
Mari
(
4
points)
0
votes
0
answers
What is meant by photon? Explain in detail?
asked
Aug 19, 2018
in
Class XI Chemistry
by
Mari
(
4
points)
+1
vote
0
answers
The cell contain cell wall to protect the cell but why it didnt protect from cancer
asked
Aug 12, 2018
in
Class XI Chemistry
by
Rohit janjire
(
16
points)
+1
vote
2
answers
One mole of oxygen gas at STP is equal to____ .
answered
Jul 10, 2018
in
Class XI Chemistry
by
Kuldeep Gaur
Basic
(
24
points)
some basic concepts of chemistry
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