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Metals and Non metals

10th Class - CBSE - Chemistry - 2317 Questions - 0 Concepts

Important Questions

Q1 Subjective Hard
Explain the following statement : Sodium chloride pieces are harder than sodium metal.

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Q2 Single Correct Hard
Phosphine i.e. $$PH_3$$, is prepared by _________.
  • A. $$Ca_3P_2\, +\, H_2O\, \rightarrow$$
  • B. $$P_4\, +\, NaOH\,+ H_2O \rightarrow$$
  • C. None is correct
  • D. Both are correct

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Q3 Subjective Medium
Ionic solid do not conduct electricity. Justify.

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Q4 Subjective Medium
Mention any two characteristics of ionic compounds.

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Q5 Subjective Medium
How does the density of alkali metal change from Li to Cs? 

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Q6 Subjective Medium
Why Ionic bond is formed between alkali metal and halogens?

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Q7 Subjective Medium
Give an example for ionic crystal ?

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Q8 Subjective Medium
Ionic solids do not conduct electricity. Give reason.

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Q9 Subjective Medium
Explain the following statement : Copper is ductile and malleable but brass is not.

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Q10 Subjective Medium
Ionic compounds are insoluble in ether. Give reason.

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Questions 122475
Subjects 10
Chapters 93
Enrolled Students 65
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