Chemistry
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Sodium hexametaphosphate used for softening hard water has the trade name as:
Answer: C. Zeolite Sodium hexametaphosphate used for softening hard water has the trade name as zeolite.
Answer: C. Zeolite
See lessSodium hexametaphosphate used for softening hard water has the trade name as zeolite.
Action of water or dilute mineral acids on metal can give:
Answer: C. Dihydrogen Action of water or dilute mineral acids on metals can give dihydrogen.
Answer: C. Dihydrogen
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Heavy water is obtained by:
Answer: C. Prolonged electrolysis of water Heavy water is obtained by prolonged electrolysis of water.
Answer: C. Prolonged electrolysis of water
See lessHeavy water is obtained by prolonged electrolysis of water.
The high density of water compared to ice is due to
Answer: A. Hydrogen bonding interaction The high density of water compared to ice is due to hydrogen bonding interaction.
Answer: A. Hydrogen bonding interaction
See lessThe high density of water compared to ice is due to hydrogen bonding interaction.
Nascent hydrogen consists of:
Answer: B. Hydrogen molecules with excess energy Nascent hydrogen consists of hydrogen molecules with excess energy.
Answer: B. Hydrogen molecules with excess energy
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Heavy water is so cool because it is:
Answer: C. An oxide of deuterium Heavy water is so cool because it is an oxide of deuterium.
Answer: C. An oxide of deuterium
See lessHeavy water is so cool because it is an oxide of deuterium.
Stronger the oxidising agent, greater is the:
Answer: A. Standard reduction potential Stronger the oxidising agent, greater is the standard reduction potential.
Answer: A. Standard reduction potential
See lessStronger the oxidising agent, greater is the standard reduction potential.
A smuggler could not carry gold by depositing iron on the gold surface since:
Answer: C. Gold has higher electrode potential than iron A smuggler could not carry gold by depositing iron on the gold surface since gold has higher electrode potential than iron.
Answer: C. Gold has higher electrode potential than iron
See lessA smuggler could not carry gold by depositing iron on the gold surface since gold has higher electrode potential than iron.
When a substance is oxidised, its:
Answer: A. Oxidation number is raised When a substance is oxidised, its oxidation number is raised.
Answer: A. Oxidation number is raised
See lessWhen a substance is oxidised, its oxidation number is raised.
Which of the following is best reducing agent?
Answer: D. HI HI is the best reducing agent.
Answer: D. HI
See lessHI is the best reducing agent.