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MCQs

Total Questions : 273 | Page 27 of 28 pages
Question 261. It is used to warm or heat the substances
  1.    Bunsen Burner
  2.    Heater
  3.    Furnace
  4.    Electric coil
 Discuss Question
Answer: Option A. -> Bunsen Burner
Answer: (a).Bunsen Burner
Question 262. It is used for evaporation of solution, in sublimation
  1.    Watch glass
  2.    China dish
  3.    Filter paper
  4.    Test tube
 Discuss Question
Answer: Option B. -> China dish
Answer: (b).China dish
Question 263. It is used to prepare gases and has two openings
  1.    Flask
  2.    Glass jar
  3.    Woolf's bottle
  4.    Beaker
 Discuss Question
Answer: Option C. -> Woolf's bottle
Answer: (c).Woolf's bottle
Question 264. Formula of Calcium Hydrogen Carbonate is
  1.    HCO₃Ca₂
  2.    Ca(HCO₃)₃
  3.    Ca(HCO₃)₂
  4.    Ca₂(HCO₃)₂
 Discuss Question
Answer: Option C. -> Ca(HCO₃)₂
Answer: (c).Ca(HCO₃)₂
Question 265. Charge on an ion is a measure of its
  1.    valency
  2.    exponential notation
  3.    formula
  4.    isotopic charges
 Discuss Question
Answer: Option A. -> valency
Answer: (a).valency
Question 266. Color gas is
  1.    methane
  2.    ethane
  3.    propane
  4.    butane
 Discuss Question
Answer: Option D. -> butane
Answer: (d).butane
Question 267. Relative formula mass of aluminum sulphate (NH₄)₂SO₄ is
  1.    132.14g/mol
  2.    113.14g/mol
  3.    139.33g/mol
  4.    143.69g/mol
 Discuss Question
Answer: Option A. -> 132.14g/mol
Answer: (a).132.14g/mol
Question 268. If an acid reacts with a carbonate, product will always include
  1.    H₂O (l)
  2.    a salt (s)
  3.    CO₂ (g)
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Answer: (d).all of these
Question 269. Symbol of Gold has been derived from its Latin name
  1.    Argentum
  2.    Argon
  3.    Aurum
  4.    Augmenten
 Discuss Question
Answer: Option C. -> Aurum
Answer: (c).Aurum
Question 270. Valency is numerically equal to
  1.    the charge of an ion
  2.    the combining power of an atom
  3.    the combining power of a radical
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Answer: (d).all of these

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