Chemistry Petroleum is a mixture of Elements Salts Hydrocarbons Polymers Elements Salts Hydrocarbons Polymers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Benzoic acid Oxalic acid Phthalic acid Cinnamic acid Benzoic acid Oxalic acid Phthalic acid Cinnamic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of protons the number of neutrons the number of protons and electrons the number of nucleons the number of protons the number of neutrons the number of protons and electrons the number of nucleons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Lignite Coke Bituminous Anthracite Lignite Coke Bituminous Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a Bakelite ? Acid Solution Polymer Base Acid Solution Polymer Base ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Calcium Silicate Calcium Sulphate Sodium Silicate Sodium Sulphate Calcium Silicate Calcium Sulphate Sodium Silicate Sodium Sulphate ANSWER DOWNLOAD EXAMIANS APP
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