Question
The sudden fall of atmospheric pressure indicates –
Solution
Atmospheric pressure is basically the weight of air in the atmosphere above the reservoir, so the level of mercury continues to change until the weight of mercury in the glass tube is exactly equal to the weight of air above the reservoir.
More Chemistry GS Questions
- The weakest of all fundamental forces is –
- The reaction of an aldehyde with Tollens’ reagent results in:
- What is the hybridization of carbon in ethyne (C₂H₂)?
- Anemometer is used to measure –
- In a compound, the elements are always present in definite proportions by:
- The common name of hydrogen peroxide is:
- Which chemical is also known as carbolic acid?
- Terylene is a condensation polymer of ethylene glycol and which acid?
- What happens to the boiling point of water at higher altitudes?
- Which of the following is an example of a colloidal solution?
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