Chemistry When quick lime is added to water Heat is absorbed No heat change takes place Heat is liberated Temperature decreases Heat is absorbed No heat change takes place Heat is liberated Temperature decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Bacillus subtilis Saccharomyces cerevisiae Escherichia coli Pseudomonas putida Bacillus subtilis Saccharomyces cerevisiae Escherichia coli Pseudomonas putida ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Lignite Petroleum Biomass Coal Lignite Petroleum Biomass Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Bicarbonate Sodium Chloride Sodium Sodium Oxide Sodium Bicarbonate Sodium Chloride Sodium Sodium Oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Eutrophication Green house effect Smog None of these Eutrophication Green house effect Smog None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of coal Digestion of food Burning of paper Conversion of water into steam Burning of coal Digestion of food Burning of paper Conversion of water into steam ANSWER DOWNLOAD EXAMIANS APP
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