Advertisements
Advertisements
प्रश्न
Discuss how acid rain occurs due to emission of smoke from vehicles and industries?
Advertisements
उत्तर
- Rain becomes acidic in nature due to the presence of certain pollutants in the air released by cars and industrial processes.
- Acid rain is caused by emissions of sulphur dioxide and nitrogen oxide which react with the water molecules in the atmosphere.
APPEARS IN
संबंधित प्रश्न
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
The spoiling of food is a chemical change which is recognized from the generation of certain ______ due to it.
Explain the term reactant and product giving examples.
State the type of reactions for the following represent and balance the ones that are not balanced.
Cl2 + 2KBr → 2KCl + Br2
Complete and balance the following reaction:
Pb(NO3)2 + KI →
Give a word equation for the following reaction.
An exothermic reaction where both the reactants are gases, one of which is oxygen.
Complete the table given below.
| Addition of dil. H2SO4 to zinc | Test for gas evolved |
What kind of a change is associated with decaying of a plants?
When lithium metal is placed in hydrochloric acid, _______ gas is evolved.
Heat may evolve or be absorbed during a ______ change.
______ is the chemical name of rust.
