Differentiate between soap and detergent
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1
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82340
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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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12221
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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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6555
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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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1778
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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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2025
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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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1821
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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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3885
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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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639
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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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1263
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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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1377
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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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2039
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October 21, 2016
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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
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967
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October 21, 2016
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Define Hybridisation
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0
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707
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October 21, 2016
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Where this energy to excite electron comes from?
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0
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3050
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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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7446
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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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1668
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October 21, 2016
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Which oil is recommended for cooking ? Why?
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0
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4871
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October 21, 2016
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Why we are advised not to use animal fats for cooking?
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0
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5182
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October 21, 2016
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Write an activity to show soap solution separates oil from water
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0
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2127
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October 21, 2016
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Write an activity to show esterification reactions
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0
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10858
|
October 21, 2016
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How synthetic detergents are harmful for the environment?
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0
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1436
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October 21, 2016
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How ethanol useful in pharmaceutical industry?
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0
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669
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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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2518
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October 21, 2016
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How do you appreciate the role of carbon in everyday life?
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0
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1821
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October 21, 2016
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Explain about methanol (or) methyl alcohol
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0
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728
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October 21, 2016
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Explain about high refractive index of diamond
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0
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955
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October 21, 2016
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What is organic chemistry?
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0
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711
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October 21, 2016
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"Diamond is an extremely bad conductor of electricity". Why?
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0
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4770
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October 21, 2016
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Explain briefly about the structure of "Graphite"
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0
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1083
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October 21, 2016
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Explain briefly about the structure of "Diamond"
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0
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1610
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October 21, 2016
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