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Differentiate between soap and detergent
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1
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82385
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September 21, 2016
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Differentiate between saturated and unsaturated hydrocarbons
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4
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12316
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February 8, 2019
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Suggest a test to find the hardness of water and explain the procedure
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1
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6637
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October 15, 2018
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Do you know how the police detect whether suspected drivers have consumed alcohol or not?
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0
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1788
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October 21, 2016
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Can you see the oil
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0
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2076
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October 21, 2016
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What is the action of soap particles on the greasy cloth?
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0
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1837
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October 21, 2016
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Why do sometimes cooking vessels get blackened on a gas or kerosene stove?
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0
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3903
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October 21, 2016
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Can carbon form bonds with the atoms of other elements?
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0
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647
|
October 21, 2016
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Allotting completely one special branch in chemistry to compounds of only one element
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1
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1276
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October 21, 2016
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|
How do you understand the markings (writings) of a pencil on a paper?
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0
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1391
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October 21, 2016
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|
How these energetically unequal valence electrons form four equivalent cova¬lent bonds in methane molecule?
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0
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2053
|
October 21, 2016
|
|
In methane ($CH _{ 4}$) molecule all four carbon - hydrogen bonds are identical and bond angle HCH is 109°28'. How can we explain this?
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0
|
978
|
October 21, 2016
|
|
Define Hybridisation
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0
|
713
|
October 21, 2016
|
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Where this energy to excite electron comes from?
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0
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3063
|
October 21, 2016
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Explain the four unpaired electrons in carbon atom through excited state
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0
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7696
|
October 21, 2016
|
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Can carbon get helium configuration by losing four electrons from the outer shell?
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0
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1681
|
October 21, 2016
|
|
Which oil is recommended for cooking ? Why?
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0
|
5069
|
October 21, 2016
|
|
Why we are advised not to use animal fats for cooking?
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0
|
5188
|
October 21, 2016
|
|
Write an activity to show soap solution separates oil from water
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0
|
2152
|
October 21, 2016
|
|
Write an activity to show esterification reactions
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0
|
10995
|
October 21, 2016
|
|
How synthetic detergents are harmful for the environment?
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0
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1444
|
October 21, 2016
|
|
How ethanol useful in pharmaceutical industry?
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0
|
677
|
October 21, 2016
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|
How do you appreciate the role of Ethanol as a fuel?
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0
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2525
|
October 21, 2016
|
|
How do you appreciate the role of carbon in everyday life?
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0
|
1836
|
October 21, 2016
|
|
Explain about methanol (or) methyl alcohol
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|
0
|
735
|
October 21, 2016
|
|
Explain about high refractive index of diamond
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0
|
963
|
October 21, 2016
|
|
What is organic chemistry?
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0
|
724
|
October 21, 2016
|
|
"Diamond is an extremely bad conductor of electricity". Why?
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0
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4781
|
October 21, 2016
|
|
Explain briefly about the structure of "Graphite"
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0
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1089
|
October 21, 2016
|
|
Explain briefly about the structure of "Diamond"
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0
|
1625
|
October 21, 2016
|