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Snigdha Verma
Subject: Chemistry
, asked on 2/1/18
Write the balanced equation for reaction of a red oxidising agent using concentrated hydrochloric acid.
Answer
1
Nigga
Subject: Chemistry
, asked on 10/12/21
can anyone help?
Answer
1
Soumyadeep Roy
Subject: Chemistry
, asked on 2/9/20
Give Reasons:- 1)Sprinkler irrigation is practised in arid and semi arid regions. 2) Tube well should be installed in a fertile and productive region
Answer
1
Yuvraj
Subject: Chemistry
, asked on 19/12/19
equation for the acetic acid reacts with the concentrated sodium hydroxide solution
Answer
1
Dhruv Pandhare
Subject: Chemistry
, asked on 4/6/19
How will the addition of barium chloride soln. help to distinguish between dilute HCl and dilute sulphuric acid
Answer
2
Niti
Subject: Chemistry
, asked on 15/12/18
State the future challenges using nanotechnology
Answer
1
Vishal Usmani
Subject: Chemistry
, asked on 10/11/18
How does the resistance of a wire depend on temperature?Draw a V-I graph to show the variation of resistance with temperature at two different levels.
Answer
1
Tapas Chakraborty
Subject: Chemistry
, asked on 11/6/18
Solve this
Answer
1
A R
Subject: Chemistry
, asked on 18/4/18
Q31. Which of the following is not true about ionic solids?
(a) Bigger ions form the close packed structure.
(b) Smaller ions occupy either the tetrahedral or the octahedral voids depending upon their size.
(c) Occupation of all the voids is not necessary.
(d) The fraction of octahedral or tetrahedral voids occupied depends upon the radii of the ions occupying the voids.
Answer
2
A R
Subject: Chemistry
, asked on 18/4/18
Q14 Which of the following oxides shows electrical properties like metals ?
(a) SiO
2
(b) MgO
(c) SO
2
(s) (d) CrO
2
Answer
1
A R
Subject: Chemistry
, asked on 18/4/18
19. Which of the following is true about charge acquired by p-type semiconductors ?
(a) positive
(b) neutral
(c) negative
(d) depends on concentration of p impurity
Answer
1
A R
Subject: Chemistry
, asked on 18/4/18
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Jap
Subject: Chemistry
, asked on 16/3/18
Test for identification of nitrogen
Answer
2
Samiksha Jadhav
Subject: Chemistry
, asked on 16/2/18
What happens when hydrogen sulphide gas is passed over silver article?
Answer
2
Adrita Das
Subject: Chemistry
, asked on 5/2/18
Distinguish between zinc chloride and magnesium chloride by chemical test
Answer
1
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What are you looking for?
(a) Bigger ions form the close packed structure.
(b) Smaller ions occupy either the tetrahedral or the octahedral voids depending upon their size.
(c) Occupation of all the voids is not necessary.
(d) The fraction of octahedral or tetrahedral voids occupied depends upon the radii of the ions occupying the voids.
(a) SiO2 (b) MgO
(c) SO2(s) (d) CrO2
(a) positive
(b) neutral
(c) negative
(d) depends on concentration of p impurity