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ARIHANT PUBLICATION JHARKHAND-HYDROGEN , OXYGEN , NITROGEN AND CHLORINE-EXAM BOOSTER FOR CRACKING EXAM
- Which of the following metals can displace hydro-gen from dilute acids...
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- Consider the following types of hydrides 1. Covalent hydride 2. Io...
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- Which one of the following elements cannot displace hydrogen gas from ...
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- Hydrogen gas is not obtained when zinc reacts with
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- Consider the following statements concerning ortho and para hydrogen ...
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- Tritium is composed of
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- Which is most abundant in Earth's crust?
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- Oxygen was discovered by
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- Which of the following is neutral oxide?
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- Which is a chalcogen?
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- The gases respectively absorbed by alkaline pyrogallon and oil of cinn...
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- O2 molecule is paramagnetic in
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- Oxygen is obtained by heating
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- The molecule having one unpaired electrons is .
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- Incorrect about O2 molecule?
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- KO2 + CO2 to
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- Carbogin is
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- Which occurs free in nature?
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- Anomalous behaviour of oxygen is due to
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- Mixture of O2 and H2 is used as
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