Advertisements
Advertisements
प्रश्न
Give a word equation for the following reaction.
Two solids which combine on heating, to give a liquid.
Advertisements
उत्तर
Carbon + Sulphur → Carbon disulphide
C + S → CS2 (l)
APPEARS IN
संबंधित प्रश्न
Complete and balance the following chemical equations
Na + H2 O →
Complete and balance the following chemical equations:
Zn + `"H"_2"SO"_4` `→`
(dil)
Write the missing reactants and products and balance the equations.
................+ HCI `→` NaCI + `"H"_2"O"` + .........................
What do you observe when iron nail is kept in copper sulphate solution for sometime.
What are chemical reactions?
Explain by writing a word equation.
Hard water gets softened on mixing with a solution of washing soda.
Give an example of a reaction where the following are involved
Pressure
Name: Two carbonates do not produce carbon dioxide on heating.
Select the correct answer for the following options:
The basic gas obtained when two gases react in presence of a catalyst and the reaction is exothermic.
Give reason for the following:
Electrolytic decomposition of water is a reaction involving change of state.
Complete the table given below.
| Heat on Zinc nitrate | Colour of residue |
State the following reaction represent oxidation or reduction.
\[\ce{H->H+}\]
Give a balanced equation for the conversion of a soluble lead salt to an insoluble lead salt – formed as a white precipitate.
Select the correct answer from the options given below:
State the gaseous product formed, when
An active metal reacts with dilute sulphuric acid.
Silver metal can displace hydrogen gas from nitric acid.
When an aqueous solution of potassium chloride is added to an aqueous solution of silver nitrate, a white precipitate is formed. Give the chemical equation of this reaction.
A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage on a fractured bone. It becomes hard on drying to keep the fractured bone immobilised. Can the change in POP be reversed?
The percentage composition of Nitrogen in Ureas is ______.
Rusting of iron is ______.
Why is spoiling food a chemical change?
