Chemistry Which of the following is not a chemical reaction'? Conversion of water into steam Burning of coal Digestion of food Burning of paper Conversion of water into steam Burning of coal Digestion of food Burning of paper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher densities Higher atomic radii Higher atomic masses Higher atomic numbers Higher densities Higher atomic radii Higher atomic masses Higher atomic numbers ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is absorbed Heat is liberated No heat change takes place Temperature decreases Heat is absorbed Heat is liberated No heat change takes place Temperature decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Ionosphere Exosphere Troposphere Stratosphere Ionosphere Exosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Gasoline Air Distilled water LPG Gasoline Air Distilled water LPG ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Four One Three Two Four One Three Two ANSWER DOWNLOAD EXAMIANS APP
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