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MCQs4All - Chemistry MCQs for NTS, FPSC, CSS, IELTS, TOEFL

Question. In galvanic cell Zn acts as an anode so its value of standard reduction potential in comparison to coupled electrode would be________________?
  1. greater
  2. lesser
  3. sum of reduction and oxidation potentials
  4. none
Question. Molecular ions are formed by passing______________________?
  1. High energy electron beam
  2. ? – particle
  3. X-rays
  4. All of the above
Question. Number of moles in 1 kg of solvent is called_________________?
  1. normality
  2. molarity
  3. molality
  4. mole fraction
Question. Biocatalytical proteins are_________________?
  1. Enzymes
  2. Substrate
  3. Lipids
  4. any of above
Question. Phosphorous acid upon thermal decomposition yields phosphoric acid and____________________?
  1. Phosphine
  2. Phosphorus
  3. Water
  4. Phosphorus pentoxide
Question. The percentage of nitrogen in urea is________________?
  1. 36%
  2. 46%
  3. 56%
  4. 66%

Chemistry MCQs for NTS, FPSC, CSS, PPSC, PMS, UTS, FTS, OTS, Teaching, CT, PTC, SST, B.Ed, M.Ed of past papers
Question. Elements with similar chemical properties appear in the_________________?
  1. Same family
  2. Same period
  3. p block elements
  4. Right upper corner
Question. The relationship between energy of a photon of light and its frequency is given by________________?
  1. de-Broglie duel nature of matter
  2. Bohrs model
  3. Plancks Quantum theory
  4. Rutherfords atomic model
Question. In unsaturated hydrocarbons electrons favour___________________?
  1. less reactivity
  2. addition reactions
  3. substitution reactions
  4. none
Question. Elements having high I.P values are____________________?
  1. Metals
  2. Non metals
  3. Liquids
  4. Solids
Question. Quantum number which tells the energy of electron is________________?
  1. n
  2. 1
  3. m
  4. s
Question. Newspaper can be recycled again and again how many times ?
  1. 2
  2. 3
  3. 4
  4. 5
Question. By the addition of base in waterpH will be_______________?
  1. more than 7
  2. less than 7
  3. equal to 7
  4. no effect
Important MCQs
Question: Continent Europe shares its South boundary with
Question: Collagen fibers of bone are hardened by deposition of_____________?
Question: International Civil Aviation Organization was established in
Question: The Declaration of Independence was formally adopted on:
Question: River Sawan is located in__________?
Question: Sir Norman Haworth, is known for his groundbreaking work on
Question: the length of ditch dug in the War Gazwa Ahzab
Question: Thermistor was invented in
Question: Sabatier Senderns reaction involve _____________ in presence of Ni?
Question: Chemical released by chlorofluorocarbons is
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