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Which metal does not form amalgam?
Answer: A. Fe Fe does not form amalgam.
Answer: A. Fe
Fe does not form amalgam.
See lessSteel that is resistant to acid is:
Answer: B. Molybdenum steel Steel that is resistant to acid is molybdenum.
Answer: B. Molybdenum steel
Steel that is resistant to acid is molybdenum.
See lessEssential constituent of an amalgam is:
Answer: D. Mercury Essential constituent of an amalgam is mercury.
Answer: D. Mercury
Essential constituent of an amalgam is mercury.
See lessIron gets rusted due to the action of:
Answer: D. All of these Iron gets rusted due to the action of oxygen, water and moisture.
Answer: D. All of these
Iron gets rusted due to the action of oxygen, water and moisture.
See lessA reduction in atomic size with increase in atomic number is a characteristic of element is:
Answer: B. f-block A reduction in atomic size with increase in atomic number is a characteristic of elements is f-block.
Answer: B. f-block
A reduction in atomic size with increase in atomic number is a characteristic of elements is f-block.
See lessZinc, cadmium and mercury are:
Answer: A. d-block elements Zinc, cadmium and mercury are d-block elements.
Answer: A. d-block elements
Zinc, cadmium and mercury are d-block elements.
See lessLanthanide contraction is due to:
Answer: B. The imperfect shielding on outer electrons Lanthanide contraction is due to the imperfect shielding on outer electrons.
Answer: B. The imperfect shielding on outer electrons
Lanthanide contraction is due to the imperfect shielding on outer electrons.
See lessPassivity of iron is due to the formation of thin film of its:
Answer: A. Oxide Passivity of iron is due to the formation of thin film of its oxide.
Answer: A. Oxide
Passivity of iron is due to the formation of thin film of its oxide.
See lessAn adult human brain weighs about how much kg?
A. 1.4 kg An adult human brain weighs about 1.4 kg.
A. 1.4 kg
An adult human brain weighs about 1.4 kg.
See lessWhat is the number of abdomonal ganglia in cockroach?
A. Six The number of abdomonal ganglia in cockroach is six.
A. Six
The number of abdomonal ganglia in cockroach is six.
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