Chemistry The lustre of the metals is because of Reflection of light due to the presence of free electrons High density, due to closed packing of atoms High polish Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High density, due to closed packing of atoms High polish Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol Methyl alcohol and H2O Ethyl alcohol Ethyl alcohol and H2O Methyl alcohol Methyl alcohol and H2O Ethyl alcohol Ethyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Lead Zinc Chromium Antimony Lead Zinc Chromium Antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Chemically very active Not stable Miscible with water Chemically unreactive Chemically very active Not stable Miscible with water Chemically unreactive ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which turns into liquid at the lowest temperature among the following is Oxygen Helium Hydrogen Nitrogen Oxygen Helium Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wax used for making candle is chemically a mixture of Aromatic hydrocarbons Aliphatic and aromatic hydrocarbons Aliphatic hydrocarbons Cyclic hydrocarbons Aromatic hydrocarbons Aliphatic and aromatic hydrocarbons Aliphatic hydrocarbons Cyclic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS