Chemistry The rusting of iron is a/an Electrical change None of these Physical change Electrochemical change Electrical change None of these Physical change Electrochemical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium salt of benzoic acid Tartaric acid Acetic acid Sodium carbonate Sodium salt of benzoic acid Tartaric acid Acetic acid Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Elements Salts Hydrocarbons Polymers Elements Salts Hydrocarbons Polymers ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Manganese Chromite Mica Bauxite Manganese Chromite Mica Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Nylon Terricot Rayon Cotton Nylon Terricot Rayon Cotton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Find the odd one: Chalk Limestone Marble Slaked lime Chalk Limestone Marble Slaked lime ANSWER DOWNLOAD EXAMIANS APP
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