BITSAT Chemistry Thermodynamics MCQs

Question: For the reaction  Which one of the statement is correct at constant T and P ? a) ΔH=ΔE b) ΔH< ΔE c) ΔH>ΔE d) ΔH is independent of physical state of the reactants Answer: ΔH< ΔE   Question: For a given reaction, ΔH = 35.5…

BITSAT Chemistry The Solid State MCQs

Question: The number of atoms per unit cell of bcc structure is a) 1 b) 2 c) 4 d) 6 Answer: 2   Question: Al (at. wt 27) crystallizes in the cubic system with a cell edge of 4.05 Å . Its density is 2.7 g per cm3. Determine the unit cell type calculate…

BITSAT Chemistry The S Block Elements MCQs

Question: Dead burn plaster is a) CaSO4.2H2O b) MgSO4. 7H2O c) CaSO4.½ H2O d) CaSO4 Answer: CaSO4   Question: Which of the following is not present in Portland cement? a) Ca2SiO4 b) Ca3SiO5 c) Ca3(PO4)2 d) Ca3Al2O6 Answer: Ca3(PO4)2…

BITSAT Chemistry The P Block Elements MCQs

Question: Which of the following forms the base of talcum powder? a) Zinc stearate b) Sodium aluminium silicate c) Magnesium hydrosilicate d) Chalk Answer: Magnesium hydrosilicate   Question: Ordinary glass is : a) Sodium silicate b) Calcium silicate c) Sodium…

BITSAT Chemistry The P Block Elements (Group 15 16 17 And 18) MCQs

Question: Which of the following shows nitrogen with its increasing order of oxidation number? a) NO < N2O < NO2 < NO3– < NH4+ b) NH4+ < N2O < NO2 < NO3– < NO c) NH4+ < N2O < NO < NO2 < NO3– d) NH4+ < NO < N2O < NO2 < NO3–…

BITSAT Chemistry The D And F Block Element MCQs

Question: Cadmium is used in nuclear reactors for? a) Absorbing neutrons b) Cooling c) Release neutrons d) Increase energy Answer: Absorbing neutrons   Question: Knowing that the chemistry of lanthanoids(Ln) is dominated by its + 3 oxidation state, which of the…

BITSAT Chemistry Surface Chemistry MCQs

Question: Which of the following ionic substances will be most effective in precipitating the sulphur sol? a) KCl b) BaCl2 c) Fe2(SO4)3 d) Na3PO4 Answer: Fe2(SO4)3   Question: The isoelectric-point of a colloidially dispersed material is the pH value at which…

BITSAT Chemistry States Of Matter MCQs

Question: Which of the following represents Gay Lussac's law ? II. P1T2 = P2T1 III. P1V1 = P2V2 Choose the correct option a) I, II and III b) II and III c) I and III d) I and II Answer: I and II   Question: At what temperature, the rate of…

BITSAT Chemistry Some Basic Concepts Of Chemistry MCQs

Question: If a 25.0 mL sample of sulfuric acid is titrated with 50.0 mL of 0.025 M sodium hydroxide to a phenolphthalein endpoint, what is the molarity of the acid? a) 0.020 M b) 0.100 M c) 0.025 M d) 0.050 M Answer: 0.025 M   Question: Find which of the following…

BITSAT Chemistry Solutions MCQs

Question: Raoult’s law becomes a special case of Henry’s law when a) b) c) d) Answer:   Question: Identify the correct order of solubilty of Na2S. CuS and ZnS in aqueous medium a) CuS > ZnS > Na2S b) ZnS > Na2S > CuS c) Na2S > CuS…

BITSAT Chemistry Organic Chemistry Some Basic Principles and Techniques MCQs Set B

Question: According to IUPAC system, the correct name of the compound having the formula   a) 2-ethyl-3-methyl but-1-ene b) 2-methyl pent-3-ene c) 2-methyl but-1-ene d) None of these Answer: None of these   Question: Liebig’s method is used for the…

BITSAT Chemistry Organic Chemistry Some Basic Principles and Techniques MCQs Set A

Question: A compound of molecular formula of C7H16 shows optical isomerism, compound will be a) 2, 3-Dimethylpentane b) 2,2-Dimethylbutane c) 3-Methylhexane d) None of the above Answer: 2, 3-Dimethylpentane   Question: Which of the following does not contain…

BITSAT Chemistry Polymers

Question: Which of the following can be repeatedly soften on heating? (i) Polystyrene (ii) Melamine (iii) Polyesters (iv) Polyethylene (v) Neoprene a) (i) and (iii) b) (i) and (iv) c) (iii), (iv) and (v) d) (ii) and (iv) Answer: (i) and (iv)   Question: …

BITSAT Chemistry Hydrogen MCQs

Question: Identify the structure of water in the gaseous phase. a) b) c) d) None of these Answer:   Question: Which one the following removes temporary hardness of water ? a) Slaked lime b) Plaster of Paris c) Epsom d) Hydrolith Answer: Slaked…