Chemistry Bakelite is a co-polymer of Phenol and Acetaldehyde Cinnaldehyde Formaldehyde Benzaldehyde Acetaldehyde Cinnaldehyde Formaldehyde Benzaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Na Mg Ca K Na Mg Ca K ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Petrol and oxygen Batteries Steam Diesel Petrol and oxygen Batteries Steam Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Non-combustible More stable More abundant than hydrogen Lighter than hydrogen Non-combustible More stable More abundant than hydrogen Lighter than hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Lignite Bituminous Peat Anthracite Lignite Bituminous Peat Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the inert gases can form compounds? Argon Xenon Krypton Helium Argon Xenon Krypton Helium ANSWER DOWNLOAD EXAMIANS APP
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