Chemistry What is the most commonly used substance in fluorescent tubes? Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Anthracite Lignite Peat Bituminous Anthracite Lignite Peat Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry DDT and BHC may act as None of these Carcinogens Asthematic agents Allergens None of these Carcinogens Asthematic agents Allergens ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 1.2 gms 12 gms 0.12 gms 120 gms 1.2 gms 12 gms 0.12 gms 120 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc oxide Zinc sulphate Zinc carbonate Zinc blende Zinc oxide Zinc sulphate Zinc carbonate Zinc blende 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
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