CBSE Class 11 Chemistry Some Basic Concepts Of Chemistry Worksheet Set C

CBSE Class 11 Chemistry Worksheet - Some Basic Concepts Of Chemistry (2) CBSE,CCE and NCERT students can refer to the attached file. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. The study material available on our website for all CBSE classes and subjects have been prepared by teachers from all over the country. All study material has been carefully designed keeping into mind the latest CBSE examination trends.  

Ch#1 : Some Basic Concepts of Chemistry -02

Full Marks: 20

Instructions:

1. All questions are compulsory.

2. Please give the explanation for the answer where applicable.

Q1 - Express the results of following calculations to appropriate number of significant digits 816 + 0.02456 + 215.36 (2 Marks)

Q2 - Calculate the molar volume of water at 273 K (density of water = 1.00 g/cm3). (1 Mark)

Q3 -How many moles of methane are required to produce 22 g CO? (5 Marks)

Q4 - A solution is prepared by dissolving 5.85g of NaCl in 90g of H2O. Find mole fraction of NaCl and H2O. (3 Marks)

Q5 - Find the molarity of solution prepared by dissolving 7.1g of Na2SO4 in 100ml of aqueous solution. (3 Marks)

Q6 - What is one atomic mass unit (amu) or Unified mass (U)? (1 Mark)

Q7 - Find the number of significant figures in 3.248x10-3. (1 Mark)

Q8 - Write the S.I. unit of molality. (1 Mark)

Q9 - What is the value of Avogadro constant? (1 Mark)

Q10 - Empirical formula of an organic compound is C2H3O2. Its molecular weight is 118. Write its molecular formula. (2 Marks)

 

Please refer to the link below for CBSE Class 11 Chemistry Worksheet - Some Basic Concepts Of Chemistry (2)

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