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______ group contains the member of the halogen family.
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Which of the following have inert gases 2 electrons in the outermost shell.
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If the distance between two Cl atoms in a Cl2 molecule is 1.98Å, then the radius of the Cl atom is ______.
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Among the given species A–, A+, and A, the smallest one in size is ______.
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Match the following
| 1. | Galvanisation | Noble gas elements |
| 2. | Calcination | Coating with Zn |
| 3. | Redox reaction | Silver-tin amalgam |
| 4. | Dental filling | Alumino thermic process |
| 5. | Group 18 elements | Heating in the absence of air |
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Moseley’s periodic table is based on atomic mass.
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Identify the bond between H and F in the HF molecules.
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What property forms the basis of identification?
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The number of components in a binary solution is ______
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The component present in a lesser amount, in a solution, is called ______
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Give an example of gas in a liquid.
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Give an example of a solid in a liquid.
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Give an example of solid in solid.
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Which of the following is not an “element + element → compound” type reaction?
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A reaction between an acid and a base is called ______.
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When lithium metal is placed in hydrochloric acid, _______ gas is evolved.
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Silver metal can displace hydrogen gas from nitric acid.
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When an aqueous solution of potassium chloride is added to an aqueous solution of silver nitrate, a white precipitate is formed. Give the chemical equation of this reaction.
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