Advertisements
Advertisements
प्रश्न
Write a balanced chemical equation for the reaction of zinc with potassium hydroxide solution.
उत्तर
`Zn + 2KOH + 2H2O -> K_2[Zn(OH)_4] + H_2`
APPEARS IN
संबंधित प्रश्न
One day Reeta went to a jeweller’s shop with her mother. Her mother gave an old gold jewellery to the goldsmith to polish. Next day when they brought the jewellery back, they found that there was a slight loss in its weight. Can you suggest a reason for the loss in weight?
Name a metal as precious as gold
Name a non-metal that is lustrous
Tick (√) the most appropriate answer.
Copper metal is used in :
Select from the following ist:
`Fe_2O_3, , NO, PbO, Mn_2O_7`
Neutral oxide ……………..
Complete the statement given below, by filling in the blank with the correct word:
A non-metal which allows an electric current to pass through it ______.
_______ is basic oxide.
Write the name.
Nonmetal which is a good conductors of electricity.
A form of non-metal which has high ductility is
Reason out
Sulphur is used in the vulcanization of rubber.
