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Manne Aravind
Subject: Chemistry
, asked on 15/7/18
What nature of hydrogen chloride gas is exhibited when liquified hydrogen chloride gas does not conduct electricity?
Answer
2
Atharv
Subject: Chemistry
, asked on 23/2/18
How to differentiate between potassium sulphate and ammonium sulphate
Answer
2
Nivedita Masih
Subject: Chemistry
, asked on 15/6/18
Some molecules os gas get squeezed to a comparatively less volume and this property is known as ------------- of a gas.
Answer
1
Reena Fernandes
Subject: Chemistry
, asked on 25/4/18
Plz solve this
Answer
3
Aditi Ghosh
Subject: Chemistry
, asked on 25/1/19
Ammonium sulphate is heated with NaOH and the gas liberated is bubbled into methyl orange solution
Answer
4
A R
Subject: Chemistry
, asked on 15/5/18
Q 33
33.
A cubic solid is made up of two elements P and Q. Atoms of P are present at the corners of the cube and atoms of Q are present at body centre. What is the formula of the compound and what are coordination numbers of P and Q ?
(a) PQ
2
, 6 : 6 (b) PQ, 6 : 6
(c) P
2
Q, 6 : 8 (d) PQ, 8 : 8
Answer
2
Samiksha Jadhav
Subject: Chemistry
, asked on 13/2/18
3CaOCl2 + 2NH3= ?
Answer
3
Sristy Choudhary
Subject: Chemistry
, asked on 23/12/17
State one case in which chemical name of a compound isn't its IUPAC name ?
Answer
1
Pihu Dasgupta
Subject: Chemistry
, asked on 19/3/18
dil. hydrochloric acid is added to sodium thiosiulphate
Answer
5
Ankita Nath
Subject: Chemistry
, asked on 17/3/18
Q. Certainly blank spaces are left in the following table and these are labelled as A, B, C, D and E. Identify each of them.
Lab
preparation
of
Reactants
used
Products
formed
Drying
agent
Method of
collection
(i) HCl gas
NaCl +
H
2
S
O
4
A
conc.
H
2
S
O
4
B
(ii)
N
H
3
g
a
s
C
Mg
O
H
2
N
H
3
D
E
Answer
1
Susmita Das
Subject: Chemistry
, asked on 1/3/18
Solve :
Q. Give the example of each of the following :
i) A colloidal solution
ii) A true solution
iii) A heterogeneous liquid-liquid mixture
iv) A homogeneous solid-solid mixture
v) A homogeneous liquid-liquid mixture
Answer
2
Devangi Joshi
Subject: Chemistry
, asked on 15/9/18
explain why a solution of hydrogen chloride in water turns blue litmus red and conducts electricity,while a solution of thebsame gas is toluene : i)has no effect on litmus ii) does not conduct electricity
Answer
2
Anushka
Subject: Chemistry
, asked on 22/5/18
Why is the molar ratio of reactants of nitric acid taken as 1:1 .
Answer
1
Susmita Das
Subject: Chemistry
, asked on 2/3/18
Solve this:
Q.(g) Deduce the molecular formula of the following:
(i) Potassium permanganate,
(ii) Calcium bromide,
(iii) Ferrous sulphide,
(iv) Sodium zincate,
(v) Sodium bicarbonate.
Answer
3
Kristi
Subject: Chemistry
, asked on 1/2/19
Correct: ammonium salts on heating decompose to give ammonia
Answer
4
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33. A cubic solid is made up of two elements P and Q. Atoms of P are present at the corners of the cube and atoms of Q are present at body centre. What is the formula of the compound and what are coordination numbers of P and Q ?
(a) PQ2, 6 : 6 (b) PQ, 6 : 6
(c) P2Q, 6 : 8 (d) PQ, 8 : 8
preparation
of
used
formed
agent
collection
Q. Give the example of each of the following :
i) A colloidal solution
ii) A true solution
iii) A heterogeneous liquid-liquid mixture
iv) A homogeneous solid-solid mixture
v) A homogeneous liquid-liquid mixture
Q.(g) Deduce the molecular formula of the following:
(i) Potassium permanganate,
(ii) Calcium bromide,
(iii) Ferrous sulphide,
(iv) Sodium zincate,
(v) Sodium bicarbonate.