Chemistry
Trending Questions
- PbIO3 is formed
- PbI2 is formed
- KNO3 is formed
- Pb(NO3)2 is formed
What is the reason respiration is considered an exothermic reaction?
Hydrogen gas combines with nitrogen to form Ammonia. Translate the following statement into the chemical equation and then balance the equation?
Why is respiration an exothermic reaction?
How do you calculate the number of moles? Explain with example.
Give Reason: A Gas fills completely the vessel in which it is kept.
How are nutrients replenished in the soil?
What is the acidic strength order of H3PO2, H3PO3, H3PO4 ? Why ?
Write the names and formulas of 10 salts.
What is chemical equation
How to balance chemical equation
C4H10+02==C02+H2O
What are the methods of preventing or reducing soil erosion?
Differentiate between Reversible and Irreversible process.
Barium chloride on reacting with sodium sulphate forms barium sulphate and sodium chloride. Which of the following is the precipitate?
Barium chloride
Barium sulphate
Sodium sulphate
Sodium chloride
Define Nitrogen fixation.
Which of the following is an example of rapid combustion?
Burning of LPG
Burning of phosphorus
- Explosion of cracker
Burning of wood
What is observed when a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube? What type of reaction is this?
Explain the steps involved in the production of wool.
For any substance, why does the temperature remain constant during the change of state?
What is drip irrigation?
Differenciate between coprecipitation and post precipitation.
Write the balanced chemical equations for the below reaction and identify the reaction in the case: Chlorine gas is passed in an aqueous Potassium Iodide solution to form Potassium Chloride solution and solid Iodine.
What is water conservation? Enlist some methods to conserve water. [3 MARKS]
what is a weak acid?
Why does our palm feel cold when acetone or petrol is put?
