Download App

PART - 1 CH - 1 Some Basic Concepts of Chemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryPART - 1 CH - 1 Some Basic Concepts of Chemistry5 Marks
Question
Explain scientific notation in detail.
✓

Answer

SELF

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "5 Marks Questions" from PART - 1 CH - 1 Some Basic Concepts of Chemistry→PART - 1 CH - 1 Some Basic Concepts of Chemistry — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Arrange the following in order of their increasing masses in gram (i) One atom of silver, (ii) one gram-atom of nitrogen, (iii) one mole of calcium, (iv) one mole of oxygen molecules, (v) $1023$ atoms of carbon and (vi) one gram of iron.
→
What do you meant by electrochemical cells? By giving the example of Daniel cell, explain its construction and working with diagram.
→
The solubility product of $Al ( OH )_3$ is $2.7 \times 10^{-11}$. Calculate its solubility in $gL ^{-1}$ and also find out pH of this solution. (Atomic mass of $Al =27 u$ ).
→
Discuss the pattern of variation in the oxidation states of,
  1. B to Tl.
  2. C to Pb.
→
The ionization constant of nitrous acid is $4.5 \times 10^{–4}$. Calculate the pH of $0.04M$ sodium nitrite solution and also its degree of hydrolysis.
→
  1. $\text{Cu}|\text{Cu}^{2+}(1\text{M})||\text{Ag}^+(1\text{M})|\text{Ag}$
$\text{E}^0_\frac{\text{Cu}^{2+}}{\text{Cu}}=0.34\text{V}$

$\text{E}^0_\frac{\text{Ag}^+}{\text{Ag}}=+0.80\text{V}$
  1. Write reaction at anode and cathode.
  2. Write net cell reaction.
  3. Calculate e.m.f. of the cell.
  1. What is meant by E.M.F of cell? How is it measured?
→
Describe the properties of covalent compounds.
→
You have a mixture of three liquids A, B and C. There is a large difference in the boiling points of A and rest of the two liquids i.e., B and C. Boiling point of liquids B and C are quite close. Liquid A boils at a higher temperature than B and C and boiling point of B is lower than C. How will you separate the components of the mixture. Draw a diagram showing set up of the apparatus for the process.
→
Calculate the pH of 0.4g of NaOH dissolved in water to give 200ml of solution.
→
Calculate the molarity of a solution of ethanol in water, in which the mole fraction of ethanol is 0.040 (assume the density of water to be one).
→