Advertisements
Advertisements
प्रश्न
Complete and balance the following reaction:
NaCl(aq) + AgNO3(aq) →
उत्तर
NaCl(aq) + AgNO3(aq) → AgCl(aq) + NaNO3(aq)
APPEARS IN
संबंधित प्रश्न
Classify the following reaction as combination, decomposition, displacement, precipitation and neutralization. Also balance the equation.
\[\ce{NH3_{(g)} + HCl_{(g)} -> NH4Cl_{(s)}}\]
Give reason .
A person suffering from acidity is advised to take an antacid.
How is precipitate formation in a chemical reaction indicated?
Define electrolysis.
Define chemical reaction.
Fill in the blank:
In some chemical reactions an insoluble ________ is formed when two solutions are mixed.
Choose the correct option from the bracket and explain the statement giving reason.
(Oxidation, displacement, electrolysis, reduction, zinc, copper, double displacement, decomposition)
The conversion of ferrous sulphate to ferric sulphate is ______ reaction.
Give an example of a reaction where the following are involved
Catalyst
Give an example of the following chemical change.
Two solids combine to form a liquid
Write the chemical reaction where the following changes are observed.
Physical state is changed
When hydrogen burns in oxygen, water is formed; when electricity is passed through water, hydrogen and oxygen are given out. Name the type of chemical change involved in the two cases.
State the main characteristics of chemical reactions. Give at least one example in each case.
Name: Gas with rotten egg smell.
What is observed in performing the following :
Hydrogen | Oxygen | Carbon dioxide | Chlorine | |
Litmus test | ||||
Apply a burning splint to the gas | ||||
Colour of gas | colourless | colourless | colourless | greenish-yellow |
Odour of gas |
What do you observe when H2S is passed through a lead nitrate solution.
Name the following:
The products obtained during ‘photosynthesis’ – which is a chemical change.
Give a balanced equation for a reaction involving the evolution of gas on the addition of dilute acid to calcium carbonate.
Write a note on the following:
Curdling of milk
Assertion (A): Cutting paper into very small pieces is an irreversible change.
Reason (R): Physical changes are always reversible.
Photosynthesis is a chemical charge. Justify your answer.