Chemistry Helium gas is filled in ballons because It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is present under pressure in soft drinks? Nitrous oxide Oxygen Carbon dioxide Nitrogen Nitrous oxide Oxygen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Soda powder Borax powder Bleaching powder Alum Soda powder Borax powder Bleaching powder Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Cancer Asthma Silicosis Pneumoconiosis Cancer Asthma Silicosis Pneumoconiosis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Silicon Phosphorous Sulphur Magnesium Silicon Phosphorous Sulphur Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry ice is the solid form of : Air Carbon di–oxide Water Nitrogen Air Carbon di–oxide Water Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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