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

Question. Hydration is a process in which_________________?
  1. Molecules are surrounded by solvent molecules
  2. Ions are surrounded by solvent molecules
  3. Both ions and molecules are surrounded by solvent molecules
  4. Both ions and molecules are surrounded by water molecules
Question. For the measurement of standard electrode potential Zn is dipped in________________?
  1. 1 M ZnO solution
  2. 1 M ZnSO4 solution
  3. 1.5 M ZnSO4 solution
  4. 0.1 M ZnSO4 solution
Question. The volume occupied by 2.8 g of N2 at STP______________________?
  1. 2.24 dm3
  2. 22.4 dm3
  3. 1.12 dm3
  4. 112 dm3
Question. Conversion of reactant into product in unit time is called________________?
  1. rate of forward reaction
  2. rate of backward reaction
  3. rate constant
  4. rate co-efficient
Question. Iodoform test can be used to distinguish between_________________?
  1. ethanol and methanol
  2. acetaldehyde and methanal
  3. acetone and diethyl ketone
  4. all of the above
Question. The structure of ethyne is_________________?
  1. angular
  2. trigonal
  3. linear
  4. trigonal planar

Chemistry MCQs for NTS, FPSC, CSS, PPSC, PMS, UTS, FTS, OTS, Teaching, CT, PTC, SST, B.Ed, M.Ed of past papers
Question. Paramagnetic behaviour of substance is measured by a balance called___________________?
  1. Analytical balance
  2. Guoys balance
  3. Electrical balance
  4. Single beam balance
Question. Empirical formula of chloroform is____________________?
  1. CH2 C12
  2. CH3C1
  3. CC14
  4. CHCL3
Question. Ethers show functional group isomerism with __________________?
  1. aldehydes
  2. ketones
  3. alcohols
  4. carboxylic acid
Question. Bohrs model is contradicted by__________________?
  1. Plancks theory
  2. Dual nature of matter
  3. Heisenbergs uncertainty principle
  4. All of these
Question. Ketones are comparatively less reactive than aldehdye. It is due to_______________?
  1. alkyl groups are electron donating
  2. steric hindrance
  3. Both A and B
  4. none
Question. Bleaching powder is not used for bleaching________________?
  1. Cotton
  2. Costly fabrics
  3. Linen
  4. Paper pulb
Question. Cement is a mixture of________________?
  1. clay and clinker
  2. clay lime stone and gypsum
  3. lime stone and gypsum
  4. lime stone and clay
Important MCQs
Question: The Panama Canal in Panama is a man-made 77 km waterway that connects
Question: Humming bird belongs to a category called ?
Question: Hazrat Isa (A.S) met with Holy Prophet (SAW) on the ________ heaven?
Question: Coenocytic hyphae are also known as______________?
Question: At what temperature does silver melt?
Question: NATO is a/an __________ alliance?
Question: Short-sight defect could be corrected by a _____________ lens?
Question: One which is not considered as naturally occurring greenhouse gas is
Question: Fuse wire is made of_____________?
Question: Through which organ does a fish respire?
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