JPSC CCE · General Studies (Paper I)
Periodic table, acids/bases, polymers, drugs, fertilizers.
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Q1 · Chemistry basics · MEDIUM
Which of the following metals can displace hydrogen from dilute hydrochloric acid?
Q2 · Chemistry basics · EASY
With reference to environmental chemistry and pollution, consider the following statements: 1. Acid rain is primarily caused by emissions of sulphur dioxide and nitrogen oxides reacting with atmospheric water. 2. Ozone in the stratosphere protects life on Earth by absorbing harmful ultraviolet radiation. 3. Catalytic converters in vehicles convert carbon monoxide and nitrogen oxides into less harmful substances. Which of the statements given above is/are correct?