Chemistry How many electrons in a Hydrogen atom Three One Four Two Three One Four Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Potassium carbonate Sodium bicarbonate Sodium hydroxide Sodium carbonate Potassium carbonate Sodium bicarbonate Sodium hydroxide Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Clay Alumina Alum Gypsum Clay Alumina Alum Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Graphite Silicon Phosphorus Sodium Graphite Silicon Phosphorus Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They are not easily combustible They do not dissolve in water They have low melting and boiling points They contain mainly carbon and hydrogen They are not easily combustible They do not dissolve in water They have low melting and boiling points They contain mainly carbon and hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Oxygen Carbon monoxide Carbon dioxide Nitrogen Oxygen Carbon monoxide Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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