Advertisements
Advertisements
प्रश्न
Complete and balance the following chemical equations
NaCI + `AgNO_3` `→`
Advertisements
उत्तर
NaCI + `AgNO_3` `→` AgCI + `NaNO_3`
APPEARS IN
संबंधित प्रश्न
What are (i) positive catalysts and (ii) negative catalysts? Support your answer with one example for each of them.
TRUE \ FALSE
Weak electrolytes dissociate partially in their aqueous or fused state.
Explain the type of reactions on the basis of the direction of reaction.
Explain the following reaction with one suitable example of Combination reactions .
Explain the term reactant and product giving examples.
Give reason for the following:
Blue solution of copper sulphate changes to green when a piece of iron is added to this solution.
Complete and balance the following reaction:
\[\ce{CuCO3 ->[\Delta]}\]
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 |
Give a chemical test to distinguish between the following gases.
CO2 and SO2
Give a chemical test to distinguish between the following gases.
HCl and H2S
Give reason for the following:
A characteristic change of colour is seen when a piece of iron is added to copper [II] sulphate solution.
Explain the term chemical reaction with special reference to reactants and products.
What happens when cane sugar is strongly heated? Mention any two changes in it.
What is the role of a catalyst in a chemical reaction?
Which of the following is not an “element + element → compound” type reaction?
When lithium metal is placed in hydrochloric acid, _______ gas is evolved.
Can a nickel spatula be used to stir copper sulphate solution? Justify your answer.
State whether the following statement is true or false:
When a candle burns, both physical and chemical changes take place.
A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.
Are these changes chemical in nature?
Assertion (A): Cutting paper into very small pieces is an irreversible change.
Reason (R): Physical changes are always reversible.
