Home
Class 10
CHEMISTRY
Write chemical equations for the followi...

Write chemical equations for the following reactions:
(i) Calcium metal reacts with water.
(ii) Cinnabar is heated in the presence of air.
(iii) Manganese dioxide is heated with aluminium powder.
(b) What are alloys? List two properties of alloys.

Text Solution

AI Generated Solution

### Step-by-Step Text Solution #### (i) Calcium metal reacts with water. 1. **Identify the reactants**: Calcium (Ca) and water (H₂O). 2. **Determine the products**: When calcium reacts with water, it forms calcium hydroxide (Ca(OH)₂) and hydrogen gas (H₂). 3. **Write the unbalanced equation**: \[ \text{Ca} + \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 + \text{H}_2 ...
Promotional Banner

Similar Questions

Explore conceptually related problems

Write balanced chemical equations for the following reactions : (i) When copper is heated in air. (ii) When aluminium is heated in air. (iii) Aluminium oxide reacts with Sodium hydroxide.

Write equation for the following chemical reactions : (i) Phenol reacts with Br_(2) in the presence of CS_(2) (ii) Ethanol is heated at 573 K in the presence of Cu .

Write balanced chemical equations for the following reactions : Heating ethanol at 443 K (130^@C) in the presence of concentrated sulphuric acid.

Write the equation for the following reactions (i) Calcium carbide and water (ii) Ethene and water (steam) (iii) Bromo ethane and aqueous solution of sodium hydroxide.

Write balanced chemical equations for the following processes: (i) XeF_(2) , undergoes hydrolysis. (ii) MnO_(2) , is heated with conc. HCI

Write the balanced chemical equation for the following reaction : "Iron II oxide reacts with Aluminium and gives molten Iron and Aluminium oxide."

Write balanced and informative chemical equations for the following reactions. Iron reacts with sulphur on heating to form iron sulphide.

Write chemical equations for the following reactions: (i) Propanone is treated with dilute Ba(OH)_(2) (ii) Acetophenone is treated with Zn (Hg)/Conc. HCI (iii) Benzoyl chloride is hydrogenated in presence of Pd/ BaSO_(4) .

Write the equations for the following reactions : (i) dilute sulphuric acid and barium chloride (ii) dilute sulphuric acid and sodium sulphide (iii) sulphur dioxide and water.

Write balanced chemical equations for the following reactions : (i) Ozone and lead sulfide (ii) Chlorine is passed through hot concentrated NaOH solution (iii) Sulfuric acid is treated with phosphorus.