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MCQs

Total Questions : 740 | Page 71 of 74 pages
Question 701. The symbol of Iron is
  1.    Ag
  2.    Au
  3.    Fe
  4.    Na
 Discuss Question
Answer: Option C. -> Fe
Answer: (c).Fe
Question 702. The simplest form of matter which cannot be broken down into simpler substances by chemical means is called
  1.    Compound
  2.    Mixture
  3.    Element
  4.    Compound
 Discuss Question
Answer: Option C. -> Element
Answer: (c).Element
Question 703. Artificially prepared elements are
  1.    16
  2.    26
  3.    36
  4.    46
 Discuss Question
Answer: Option B. -> 26
Answer: (b).26
Question 704. K is the symbol of
  1.    Potassium
  2.    Gold
  3.    Iron
  4.    Silver
 Discuss Question
Answer: Option A. -> Potassium
Answer: (a).Potassium
Question 705. Till today elements are known
  1.    108
  2.    118
  3.    181
  4.    128
 Discuss Question
Answer: Option B. -> 118
Answer: (b).118
Question 706. The type of curve which do not show sharp breaks anywhere is
  1.    Continuous curve
  2.    Discontinuous curve
  3.    Solubility curve
  4.    Sharp Solubility curve
 Discuss Question
Answer: Option A. -> Continuous curve
Answer: (a).Continuous curve
Question 707. The unit for solubility of a substance commonly used is
  1.    g/100g of solute
  2.    g/100dm³ of solvent
  3.    g/100cm³ of solvent
  4.    g/100g of solvent
 Discuss Question
Answer: Option D. -> g/100g of solvent
Answer: (d).g/100g of solvent
Question 708. Solubility principle is
  1.    Like dissolves like
  2.    Like dissolves unlike
  3.    Unlike dissolves like
  4.    Unlike dissolves unlike
 Discuss Question
Answer: Option A. -> Like dissolves like
Answer: (a).Like dissolves like
Question 709. Non-polar or less polar molecular crystals usually dissolve in
  1.    Polar solvents
  2.    Highly polar solvents
  3.    Non-polar solvents
  4.    Less polar solvents
 Discuss Question
Answer: Option C. -> Non-polar solvents
Answer: (c).Non-polar solvents
Question 710. Iodine is freely soluble in
  1.    H₂O
  2.    CCl₄
  3.    Oil
  4.    HCl
 Discuss Question
Answer: Option B. -> CCl₄
Answer: (b).CCl₄

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