Chemistry Surface water is a better source of drinking water because it is poor in Dust Bacteria Arsenic Algae Dust Bacteria Arsenic Algae ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Carbon dioxide and oxygen Isobutane and propane Methane and carbon dioxide Methane and carbon monoxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon dioxide Methane and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following elements is found in maximum percentage in the human body ? Oxyzen Hydrogen Nitrozen Carbon Oxyzen Hydrogen Nitrozen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder Aluminium sulphate None of these Aluminium powder Solder Aluminium sulphate None of these Aluminium powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Hydrogen Carbon dioxide Oxygen All of them Hydrogen Carbon dioxide Oxygen All of them ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Beryllium Ultra pure carbon Tantalum Silicon Beryllium Ultra pure carbon Tantalum Silicon ANSWER DOWNLOAD EXAMIANS APP
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