Advertisements
Advertisements
प्रश्न
The step(s) necessary for determining the percentage of water absorbed by raisins is/are:
विकल्प
Raisins should be completely immersed in water
Raisins should be soaked in water for sufficient time
Gently wipe dry the soaked raisins
All of the above steps.
Advertisements
उत्तर
All of the above steps.
APPEARS IN
संबंधित प्रश्न
What does the symbol (aq) represent in a chemical equation?
Balance the following equation:
\[\ce{Fe + O2 -> Fe2O3}\]
Write a balanced chemical equation for the process of photosynthesis giving the physical states of all the substances involved and the conditions of the reaction.
Write word equation for the following skeletal equation:
\[\ce{Na + O2 -> Na2O}\]
Write symbolic representation for the following word equation and balance them :
Iron + Sulphur → Iron sulphide.
Balance the following equation :
Pb3O4 → PbO + O2
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of salt formed.
Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
Heat energy
\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]
State what is a ‘balanced equation’.
What are reactants? Explain with the help of example.
