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Solids
5 Class 11 Chemistry questions with answers and explanations.
Printable worksheet with answer key
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A solid with a regular repeating arrangement is:
- 1 A gas
- 2 A colloid
- 3 Crystalline
- 4 Amorphous
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Glass is an example of an:
- 1 Molecular crystal
- 2 Amorphous solid
- 3 Ionic crystal
- 4 Metallic crystal
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Diamond and graphite are:
- 1 Isotopes
- 2 Isomers
- 3 Allotropes of carbon
- 4 Compounds
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Correct answer: Allotropes of carbon
They are different forms of the same element, carbon.
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Metals conduct electricity because of:
- 1 Covalent bonds
- 2 Free electrons
- 3 Ions in a lattice only
- 4 Hydrogen bonds
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Correct answer: Free electrons
A sea of delocalised electrons carries current.
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Sodium chloride has a:
- 1 Metallic structure
- 2 Simple molecular structure
- 3 Network covalent structure
- 4 Face centred cubic arrangement of ions
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Correct answer: Face centred cubic arrangement of ions
It has an ionic lattice, with each ion surrounded by six of the opposite charge.