Contribute & Test Your Skills
- Some Basic Concepts in Chemistry
- States of Matter
- Atomic Structure
- Chemical Bonding & Molecular Structure
- Chemical Thermodynamics
- Solutions
- Equilibrium
- Redox Reactions & Electrochemistry
- Chemical Kinetics
- Surface Chemistry
- Purification & Characterisation of Organic Compounds
- Hydrocarbons
- Chemistry in Everyday Life
- Principles Related to Practical Chemistry
- Organic Compounds Containing Halogens
- Organic Compounds Containing Oxygen
- Organic Compounds Containing Nitrogen
- Alcohol, phenol & Ether
- Organic Chemistry Principles
- Biomolecules & Polymers
- Classification of Elements & Periodicity in Properties
- Hydrogen
- S & P block Element
- D & F - Block Elements
- Co-Ordination Compounds
- Environmental Chemistry
- General Principles & Processes of Isolation of Metals
- JEE Chemistry Discussions
- Aldehydes, Ketones & Carboxylic Acid
- Nuclear Chemistry
- Atom & Molecules
- Redox Reaction
- Aromatic Hydrocarbons
- Halogen Derivatives
- Carboxylic Acids & Derivatives
- Nitrogen Containing Compounds
- Bio Molecules
- Chemistry In Action
- Extraction of Metals
- Chemical Analysis
- Ores, Minerals and Metallurgical Extraction
Popular Questions
- Green house effect is caused by
- U238 emits
- Green chemistry means such reactions which
- What are the chief pollutants of the atmosphere which are most likely to deplete the ozone layer
- What is DDT among the following?
- One of them contributes maximum to air pollution
- In Antarctica ozone depletion is due to the formation of following compound
- Which of the following is not an air pollutant?
- In which part of the atmosphere, ozone layer is present ?
- Major aerosol pollutant present in the jet plane emission is
- Permissible noise levels in a residential area at night time is
- carbon monoxide (CO) is harmful to man because
- Which of the following does not contribute towards the formation of photochemical smog ?
- Which of the following statements about polar stratospheric clouds (PSCs) is not correct?
- Which of the following is a measurement of water pollution ?
- Which one of the following statements regarding photochemical smog is not correct
- Ozone layer of stratosphere requires protection from indiscriminate use of
- Which one of the following is not a common component of photochemical smog
- Which compound is mainly responsible for the depletion of ozone layer?
- Which of the following is responsible for the depletion of the ozone layer in the upper strata of the atmosphere?
- Use of chlorofluorocarbons is not encouraged because
- Among the following compounds, which one is not responsible for the depletion of ozone layer?
- White lung cancer is caused by
- The ozone layer forms naturally by
- The smog is essentially caused by the presence of
- The non-viable particulate is
- Green house effect is caused by
- UV radiation from sun causes a reaction that produces
- The gas that is not considered as a green house gas is
- Addition of phosphate fertilizers into water leads to
- The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was
- When rain is accompanied by a thunderstorm, the collected rain water will have a pH value
- The recommended concentration of fluoride
- The recommended concentration of fluoride
