Ncert Solutions Chemistry Class 12th
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3 months agoContributor-Level 10
Sphalerite is the sulphide ore of zinc (ZnS) and copper glance Cu2S is the sulphide ores of copper. Two sulphide ores can be separated by adjusting proportion of oil to water or by using depressant in froth flotation method.
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3 months agoContributor-Level 10
Photo-chemical smog is the mixture of various component like, O3, NO, acrolein formaldehyde and peroxyacetyl nitrate and other oxidizing agents, which causes the cracking of rubber.
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3 months ago
Contributor-Level 10
CS2 is non-polar, non-ionisable solvent and produce only para substituted compound due to the production of less Br+ ion, while H2O itself a polar solvent and produce sufficient concentration of Br+ to attack on ortho and para position.
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3 months agoContributor-Level 10
Bakelite formed by the condensation reaction of phenol with formaldehyde and it is a thermosetting polymer/ plastics.
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3 months agoContributor-Level 10
When AgNO3 added to Kl solution, it form precipitate of Agl (s) which absorb I- ions from Kl and colloidal particles become negatively charged.
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3 months agoContributor-Level 10
Following are the possible isomers of 1, 2-dimethyl cyclopropane
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