Advertisements
Advertisements
प्रश्न

Which of the following is the correct observation of the reaction shown in the above set up?
विकल्प
Brown powder of Magnesium oxide is formed.
Colourless gas which turns lime water milky is evolved.
Magnesium ribbon burns with brilliant white light.
Reddish brown gas with a smell of burning Sulphur has evolved.
Advertisements
उत्तर
Magnesium ribbon burns with brilliant white light.
APPEARS IN
संबंधित प्रश्न
What is a balanced chemical equation? Why should a chemical equation be balanced?
Balance the following chemical equation.
\[\ce{BaCl2 + H2SO4 -> BaSO4 + HCl}\]
The metal M reacts vigorously with water to form a solution S and a gas G. The solution S turns red litmus to blue whereas gas G, which is lighter than air, burns with a pop sound. Metal M has a low melting point and it is used as a coolant in nuclear reactors.
- What is metal M?
- What is solution S? Is it acidic or alkaline?
- What is gas G?
- Write a balanced chemical equation for the reaction which takes place when metal M reacts with water.
- Is this reaction exothermic or endothermic?
Balance the following equation. Also name the product formed.
`"H"_2 +"CI"_2 → "HCI"`
Balance the following equation:
Zn + HNO3 `→` Zn(NO3)2 + H2O + NO2
What is the valency of :
carbon in CH4
Write the balanced chemical equation of the following reaction.
potassium bicarbonate + sulphuric acid → potassium sulphate + carbon dioxide + water
Representation of the results of a chemical change – is a chemical equation.
For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓
Answer the following:
Name the reactants and the products in the above equation.
Name the following:
A catalyst which increases the rate of a chemical reaction.
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
6NaOH + 3Cl2 → 6NaCl + NaClO3 + 3H2O
