Advertisements
Advertisements
प्रश्न
Complete and balance the following reaction:
NaCl(aq) + AgNO3(aq) →
Advertisements
उत्तर
NaCl(aq) + AgNO3(aq) → AgCl(aq) + NaNO3(aq)
APPEARS IN
संबंधित प्रश्न
Name three biochemical catalysts found in the human body.
Complete and balance the following chemical equations:
`"H"_2"S"` + `"CI"_2` `→`
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Reduction reaction is the exact opposite of
- displacement reaction
- decomposition reaction
- oxidation reaction
- none of these
Write your observation and a balanced equation in the case of the following substances being heated.
Copper nitrate.
Explain the term ‘chemical reaction’ with special reference to – ‘reactants’ and ‘products’.
A chemical reaction is often accompanied by external indications or characteristics which include –
- Colour change
- Effervescence or gas evolved
- Evolution or absorption of heat
- Formation of a precipitate.
With reference to each of the above indications, state the external indication seen during – Addition of dilute acid to an active metal.
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Lead nitrate.
What happens when cane sugar is strongly heated? Mention any two changes in it.
Write some materials prepared by chemical changes.
Both CO2 and H2 gases are ______.
