NEETChemistrySome Basic Concepts of ChemistryMCQ+4 / −1
In which case is number of molecules of water
maximum?
- A18 mL of water
- B0.18 g of water
- C0.00224 L of water vapours at 1 atm and 273 K
- D10–3 mol of water
More from Some Basic Concepts of Chemistry
- Which of the following is dependent on temperature?2017 · MCQ
- Suppose the elements X and Y combine to form two compounds XY2 and X3Y2. When 0.1 mole of XY2 weights 10 g and 0.05 mole of X3Y2 weighs 9 g, the atomic weights of X and Y are2016 · MCQ
- What is the mole fraction of the solute in a 1.00 m aqueous solution?2015 · MCQ
- What is the mass of the precipitate formed when 50 mL of 16.9% solution of AgNO3 is mixed with 50 mL of 5.8% NaCl solution ? (Ag = 107.8, N = 14, O = 16, Na = 23, Cl = 35.52015 · MCQ
- If Avogadro number NA, is changed from 6.022 1023 mol1 to 6.022 1020 mol1, this would change2015 · MCQ
- The number of water molecules is maximum in2015 · MCQ
- A mixture of gases contains H2 and O2 gases in the ratio of 1 : 4 (w/w). What is the molar ratio of the two gases in the mixture ?2015 · MCQ
- Equal masses of H2, O2 and methane have been taken in a container of volume V at temperature 27oC in identical conditions. The ratio of the volumes of gases H2 : O2 : methane would be2014 · MCQ