Write the formulae of the following compounds. Also name the element present in them.
(a) Water , (b) Ammonia , (c ) Methane , (d) Sulphur dioxide , (e ) Ethanol

Name the elements present in the following compounds. (a) Sugar (b) Ammonia (c) Marble (d) Washing soda

Write structural formulae for the following IUPAC names. methanal

Write structural formulae for the following IUPAC names . iv. Methanal

Write the formulae for the following and calculate the molecular mass for each one of them. a) Caustic Potash b) Baking powder c) Lime Stone d) Caustic Soda e) Ethanol f) Common Salt

Write the formulae for the following and calculate the molecular mass for each one of them. a) Caustic potash b) Baking powder c) lime stone d) caustic soda e) Ethanol f) Common salt

Give the name of the elements and number of atom of those elements, present in the following compound. Ammonia

Give the group number of the following elements present in periodic table (a) Magnesium (b) Carbon (c) Sulphur (d) Neon

Give two uses of the following components present in air : (a) oxygen (b) nitrogen (c ) carbon dioxide (d) water vapour

Give the names and formulae of the compounds in which sulphur exhibits an oxidation state of (A) -2 , (B) +4 , ( C) +6