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Differentiate between soap and detergent
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1
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82406
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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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12360
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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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6673
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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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1793
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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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2082
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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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1842
|
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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3908
|
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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653
|
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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1282
|
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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1399
|
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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2056
|
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
|
980
|
October 21, 2016
|
|
Define Hybridisation
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0
|
715
|
October 21, 2016
|
|
Where this energy to excite electron comes from?
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0
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3069
|
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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7774
|
October 21, 2016
|
|
Can carbon get helium configuration by losing four electrons from the outer shell?
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0
|
1685
|
October 21, 2016
|
|
Which oil is recommended for cooking ? Why?
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0
|
5127
|
October 21, 2016
|
|
Why we are advised not to use animal fats for cooking?
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0
|
5194
|
October 21, 2016
|
|
Write an activity to show soap solution separates oil from water
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|
0
|
2169
|
October 21, 2016
|
|
Write an activity to show esterification reactions
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0
|
11039
|
October 21, 2016
|
|
How synthetic detergents are harmful for the environment?
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0
|
1446
|
October 21, 2016
|
|
How ethanol useful in pharmaceutical industry?
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0
|
679
|
October 21, 2016
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|
How do you appreciate the role of Ethanol as a fuel?
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0
|
2527
|
October 21, 2016
|
|
How do you appreciate the role of carbon in everyday life?
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0
|
1841
|
October 21, 2016
|
|
Explain about methanol (or) methyl alcohol
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|
0
|
739
|
October 21, 2016
|
|
Explain about high refractive index of diamond
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0
|
965
|
October 21, 2016
|
|
What is organic chemistry?
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0
|
734
|
October 21, 2016
|
|
"Diamond is an extremely bad conductor of electricity". Why?
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0
|
4784
|
October 21, 2016
|
|
Explain briefly about the structure of "Graphite"
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0
|
1091
|
October 21, 2016
|
|
Explain briefly about the structure of "Diamond"
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0
|
1627
|
October 21, 2016
|