Advertisements
Advertisements
प्रश्न
Write a balanced equation for the following word equation:
Potassium nitrate → Potassium nitrite + Oxygen
Advertisements
उत्तर
\[\ce{2KNO3->[\triangle]2KNO2 + O2}\]
APPEARS IN
संबंधित प्रश्न
Write complete balanced equation for the following reaction:
Calcium (solid) + water (liquid) 
Calcium Hydroxide (solution) + Hydrogen (gas)
Balance the gievn equation:
NaOH + H2SO4 
Na2SO4 + H2O
When the solution of substance X is added to a solution of potassium iodide, then a yellow solid separates out from the solution.
(a) What do you think substance X is likely to be?
(b) Name the substance which the yellow solid consists of.
(c) Which characteristic of chemical reaction is illustrated by this example?
(d) Write a balanced chemical equation for the reaction which takes place. Mention the physical states of all the reactant and products involved in the chemical equation.
Write your observation and name the product when An aqueous solution of barium chloride is added to dilute sulphuric acid.
While performing the experiment with raisins to determine the percentage of water absorbed by them, a student made following measurements:
Mass of water in the beaker = 40 g
Mass of raisins before soaking = 5 g
Mass of raisins after soaking for 2 hours = 8 g
Mass of water left in the beaker after the experiment = 35 g
The percentage of water absorbed by raisins is:
Give an example of a chemical equation in which two reactants form:
one product
Balance the following simple equation:
Al + H2SO4 → Al2(SO4)3 + H2
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
PbO2 +4HCl → PbCl2 + H2O + Cl2
What is a reactant in a chemical equation?
Which of the following is the correct observation of the reaction shown in the above set up?
