Chemistry The rusting of iron is a/an Physical change Electrochemical change None of these Electrical change Physical change Electrochemical change None of these Electrical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Non-renewable Abiotic Renewable Biotic Non-renewable Abiotic Renewable Biotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry In silvery paints, the main constituent present is Lead powder Aluminium powder White lead Silver powder Lead powder Aluminium powder White lead Silver powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the sourc in Column B with the product of Column A. (Product) Column B (Source)A. Formic acid1. LemonB. Citric acid 2. TamarindC. Tartaric acid3. Ants A B C3 2 1 A B C 3 1 2 A B C 2 3 1 A B C 2 1 3 A B C3 2 1 A B C 3 1 2 A B C 2 3 1 A B C 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Uranium Plutonium Thorium Zirconium Uranium Plutonium Thorium Zirconium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium Manganese None of these Magnesium Calcium Manganese None of these Magnesium ANSWER DOWNLOAD EXAMIANS APP