Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Some Basic Concepts of Chemistry question

2018 · 15 Apr · Shift 1 · Q24
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Some Basic Concepts of Chemistry
  5. /2018 · 15 Apr · Shift 1 · Q24

Some Basic Concepts of Chemistry question

2018 · 15 Apr · Shift 1 · Q24

JEE MainChemistrySome Basic Concepts of ChemistryMCQ+4 / −1
A sample of NaClO3NaCl{O_3}NaClO3​ is converted by heat to NaClNaClNaCl with a loss of 0.16g0.16g0.16g of oxygen. The residue is dissolved in water and precipitated as AgCl.AgCl.AgCl. The mass of AgClAgClAgCl(in ggg) obtained will be : (Given : Molar mass of AgCl=143.5gmol−1AgCl=143.5gmo{l^{ - 1}}AgCl=143.5gmol−1)
  1. A
    0.350.350.35
  2. B
    0.410.410.41
  3. C
    0.480.480.48
  4. D
    0.540.540.54
PreviousNext

More from Some Basic Concepts of Chemistry

  • For per gram of reactant, the maximum quantity of N2​ gas is produced in which of the following thermal decomposition reactions ? (Given : Atomic wt. - Cr = 52 u, Ba = 137 u)2018 · MCQ
  • An unknown chlorohydrocarbon has 3.55% of chlorine. If each molecule of the hydrocarbon has one chlorine atom only; chlorine atoms present in 1 g of chlorohydrocarbon are : (Atomic wt. of Cl = 35.5 u; Avogadro constant = 6.023 ×…2018 · MCQ
  • The ratio of mass percent of C and H of an organic compound (CX​HY​OZ​) is 6 : 1. If one molecule of the above compound (CX​HY​OZ​) contains half as much oxygen as required to burn one molecule of compound CX​HY​ completely to CO2​…2018 · MCQ
  • Excess of NaOH (aq) was added to 100 mL of FeCl3​ (aq) resulting into 2.14 g of Fe(OH)3​ . The molarity of FeCl3​ (aq) is : (Given molar mass of Fe = 56 g mol−1 and molar mass of Cl = 35.5 g mol−1)2017 · MCQ
  • What quantity (in mL) of a 45% acid solution of a mono-protic strong acid must be mixed with a 20% solution of the same acid to produce 800 mL of a 29.875% acid solution ?2017 · MCQ
  • The most abundant elements by mass in the body of a healthy human adult are: Oxygen (61.4%); Carbon (22.9%), Hydrogen (10.0%); and Nitrogen (2.6%). The weight which a 75 kg person would gain if all 1H atoms are replaced by 2H atoms is:2017 · MCQ
  • 1 gram of a carbonate (M2​CO3​) on treatment with excess HCl produces 0.01186 mole of CO2​. The molar mass of M2​CO3​ in g mol–1 is:2017 · MCQ
  • The amount of arsenic pentasulphide that can be obtained when 35.5 g arsenic acid istreated with excess H2​S in the presence of conc. HCl ( assuming 100% conversion) is :2016 · MCQ