Advertisements
Advertisements
प्रश्न
State the type of reactions for the following represent and balance the ones that are not balanced.
Cl2 + 2KBr → 2KCl + Br2
Advertisements
उत्तर
Cl2 + 2KBr → 2KCl + Br2
Displacement reaction
APPEARS IN
संबंधित प्रश्न
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Which one of the following alters the rate of the chemical reaction without itself undergoing any change?
- temperature and Pressure
- concentration of reactants
- presence of catalyst
- none of these
A solution of a substance ‘X’ is used for white washing write the reaction of the substance ‘X’ named in (a) above with water.
Write the chemical reaction where the following changes are observed.
Precipitate is formed
Complete and balance the following reaction:
Pb(NO3)2 + KI →
Distinguish by dilute sulphuric acid.
Copper and magnesium?
Give a word equation for the following reaction.
Two solids which combine on heating, to give a liquid.
Give balanced equation for the following conversion affected by heat alone on the substance:
Copper nitrate to nitrogen dioxide
Give a balanced equation for the conversion of a soluble lead salt to an insoluble lead salt – formed as a white precipitate.
Rusting of iron is ______.
______ occurs in the absence of air and in the presence of micro-organisms such as yeast.
