Chemistry Dry ice is the solid form of : Air Water Nitrogen Carbon di–oxide Air Water Nitrogen Carbon di–oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Bronchitis Cancer Asphyxiation Corrosion Bronchitis Cancer Asphyxiation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are None of these Sodium salts of sulphonic acids Sodium salts of fatty acids Sodium salt of benzoic acid None of these Sodium salts of sulphonic acids Sodium salts of fatty acids Sodium salt of benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Decreases First increases and then decreases Increases Remains the same Decreases First increases and then decreases Increases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Cetane number Gold number Octane number Added unlead compounds Cetane number Gold number Octane number Added unlead compounds ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Lead Tin Copper Zinc Lead Tin Copper Zinc ANSWER DOWNLOAD EXAMIANS APP