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Questions and Answers
Which of the following elements exists as a monoatomic gas under standard conditions?
Which of the following elements exists as a monoatomic gas under standard conditions?
- Nitrogen
- Bromine
- Neon (correct)
- Ozone
The atoms of an element contain an equal number of:
The atoms of an element contain an equal number of:
- Protons and electrons
- Neutrons
- Neutrons and different number of protons
- Protons and neutrons (correct)
Hydrogen may NOT be obtained by:
Hydrogen may NOT be obtained by:
- Interaction of zinc and hydrochloric acid
- Interaction of copper and nitric acid (correct)
- Electrolysis of water
- Interaction of sodium and water
Which of the listed simple substances can participate in a chemical reaction only as an oxidant?
Which of the listed simple substances can participate in a chemical reaction only as an oxidant?
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After the interaction of ferric hydroxide (Fe(OH)3) and H2SO4, what is obtained?
After the interaction of ferric hydroxide (Fe(OH)3) and H2SO4, what is obtained?
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