Chemistry 'Plaster of Paris' is made by partial dehydration of Blue vitriol Green vitriol Epsom salt Gypsum salt Blue vitriol Green vitriol Epsom salt Gypsum salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium salt commonly used to stop bleeding is Aluminium sulphate Aluminium Chloride Potash alum Aluminium nitrate Aluminium sulphate Aluminium Chloride Potash alum Aluminium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Respiratory diseases (e.g.asthma) Reduced crop yield Silicosis Cancer Respiratory diseases (e.g.asthma) Reduced crop yield Silicosis Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury oxide and neon Sodium oxide and argon Mercury vapour and argon Sodium vapour and neon Mercury oxide and neon Sodium oxide and argon Mercury vapour and argon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant rare gas in the atmosphere is He Xe Ne Ar He Xe Ne Ar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium salt of benzene sulphonic acid Sodium salt of benzene carboxylic acid Sodium palmitate Sodium stearate Sodium salt of benzene sulphonic acid Sodium salt of benzene carboxylic acid Sodium palmitate Sodium stearate ANSWER DOWNLOAD EXAMIANS APP
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