Chemistry
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Hydrogen peroxide can be used as:
Answer: c. Both A and B Hydrogen peroxide can be used as an antiseptic ana a bleaching agent
Answer: c. Both A and B
See lessHydrogen peroxide can be used as an antiseptic ana a bleaching agent
Usually high boiling point of water is a result of:
Answer: A. Intermolecular hydrogen bonding Usually high boiling point of water is a result of intermolecular hydrogen bonding.
Answer: A. Intermolecular hydrogen bonding
See lessUsually high boiling point of water is a result of intermolecular hydrogen bonding.
Hydrogen gas can be fused to form helium at:
Answer: A. High temperatures and high pressure Hydrogen gas can be fused to form helium at high temperatures and high pressure.
Answer: A. High temperatures and high pressure
See lessHydrogen gas can be fused to form helium at high temperatures and high pressure.
Ortho and para hydrogen differ in:
Answer: C. Spin of proton Ortho and para hydrogen differ in spin of proton.
Answer: C. Spin of proton
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By which of the following processes, permanent hardness of water can be removed by adding:
Answer: C. Washing soda By which of the following processes, permanent hardness of water can be removed by adding washing soda.
Answer: C. Washing soda
See lessBy which of the following processes, permanent hardness of water can be removed by adding washing soda.
The metal which gives hydrogen on reacting with acid as well as NaOH is:
Answer: B. Zn The metal which gives hydrogen on reacting with acid as well as NaOH is Zn.
Answer: B. Zn
See lessThe metal which gives hydrogen on reacting with acid as well as NaOH is Zn.
Hydrogen peroxide acts as an oxidising agent in:
Answer: C. Alkaline medium Hydrogen peroxide acts as an oxidising agent in alkaline medium.
Answer: C. Alkaline medium
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The reagent commonly used to determine hardness of water titrimeterically is:
Answer: B. Disodium salt of EDTA The reagent commonly used to determine hardness of water titrimeterically is disodium salt of EDTA.
Answer: B. Disodium salt of EDTA
See lessThe reagent commonly used to determine hardness of water titrimeterically is disodium salt of EDTA.
Pure water is obtained from sea water by:
Answer: C. Reverse osmosis Pure water is obtained from sea water by reverse osmosis.
Answer: C. Reverse osmosis
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Protons is likely to have high:
Answer: A. Hydration energy Protons is likely to have high hydration energy.
Answer: A. Hydration energy
See lessProtons is likely to have high hydration energy.