Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 6 –3 to + 5 –3 to + 4 –3 to + 3 –3 to + 6 –3 to + 5 –3 to + 4 –3 to + 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Bituminous Peat Anthracite Lignite Bituminous Peat Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Dolomite Haematite Cinnabar Bauxite Dolomite Haematite Cinnabar Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant inert gas in the atmosphere is Neon Argon Helium Krypton Neon Argon Helium Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is Zeolite? Hydrated Calcium Sulphate Hydrated Aluminosilicate Dehydrated Calcium Sulphate Dehydrated Aluminosilicate Hydrated Calcium Sulphate Hydrated Aluminosilicate Dehydrated Calcium Sulphate Dehydrated Aluminosilicate ANSWER DOWNLOAD EXAMIANS APP
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