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12/05/2026
Q. Why aluminium oxide Al2O3 is amphoteric in nature?
11/05/2026
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10/05/2026
Q. What is Acid Rain? Causes and effects of acid rain.
rain
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Q. How nitrogen remains constant in atmosphere.
cycle.
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Chemistry important questions with answers.
Q. Why metals are electropositive while non metals are electronegative.
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Chemistry, important questions with answers.
Q. Why alkali metals are more reactive than alkaline earth metals?
Reactivity of Alkali metals and alkaline earth metals.
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Chemistry 2nd year important questions.
Ozone depletion:
-Mechanism
- causes
- effects
- control
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Chemistry 2nd year important questions
Tollen test to differentiate aldehyde from ketone.
Test to differentiate aldehyde and ketone.
Silver mirror test.