Viva Questions With Answers On Basic Laboratory Techniques
Viva Questions With Answers On Basic Laboratory Techniques
Chemistry Lab ManualNCERT Solutions Class 11 Chemistry Sample Papers
1. Why is a Bunsen burner provided with air holes ?
Ans. To regulate the supply of air.
2. What type of flame would you use f…
Compare the pH of solutions of hydrochloric acid and acetic acid having same concentration.
Compare the pH of solutions of hydrochloric acid and acetic acid having same concentration.
Chemistry Lab ManualNCERT Solutions Class 11 Chemistry Sample Papers
Requirements
Test tubes, glass rod, universal indicator solution, 0.1 M HCl, 0.01 M HCl, 0.1…
Prepare 250 ml of 2M H2SO4 from the given 18M H2SO4
Prepare 250 ml of 2M \( H_{2}SO_{4}\) from the given 18M \( H_{2}SO_{4}\)
Theory
To prepare 250 ml of 2M H2SO4 from 18M H2SO4, the volume of concentrated acid required can be calculated by applying molarity equation
M1V1 = M2V2
where, M1 = Molarity of c…
Determine the pH of vegetable and fruit juices using pH paper and universal indicator
Determine the pH of vegetable and fruit juices using pH paper and universal indicator
Requirements
Test tubes, measuring cylinder, glass rod, watch glass, vegetable and fruit juices, universal indicator solution and pH paper.
Procedure
1. Using pH Paper…
Prepare 250 ml of 5N HCl from the given 12N HCl
Prepare 250 ml of 5N \( HCl\) from the given 12N \( HCl\)
To prepare 250 ml of 5N HCl from 12N HCl, the volume of concentrated acid required can be calculated by using the normality equation :
N1V1 = N2V2
where, N1 = Normality of concentrated acid = 12 …
Determine the pH of solutions of some salts using pH paper or universal indicator
Determine the pH of solutions of some salts using pH paper or universal indicator
Requirements
Test tubes, measuring cylinder, glass rod, pH paper, universal indicator solution, 0.1 M and
0.01 M solutions of some salts.
Procedure
1. Using pH Paper. Take…
NCERT Solutions for Class 3 Mathematics Chapter-11 Jugs and Mugs
NCERT Solutions for Class 3 Mathematics Chapter-11 Jugs and Mugs
Water in Water Out?
1.About how many glasses of water do you drink in a day?
Ans. During summer I drink about 10 glasses of water in a day. During winter I drink about 5 glasses of water i…
To determine the pH of various samples of NaOH solution using: (i) pH paper, and (ii) universal indicator solution
To determine the pH of various samples of NaOH solution using: (i) pH paper, and (ii) universal indicator solution
Chemistry Lab ManualNCERT Solutions Class 11 Chemistry Sample Papers
Requirements
Test tubes, measuring cylinder, dropper, pH paper, unive…
To Prepare Crystals of Potash alum from the crude sample
To Prepare Crystals of Potash alum (\({K_2}S{O_4}.A{l_2}{(S{O_4})_3}.24{H_2}O\)) from the crude sample
Chemistry Lab ManualNCERT Solutions Class 11 Chemistry Sample Papers
Theory
Potash alum (Fitkari) is highly soluble in water. The commercial sample is…
Determine the pH values of hydrochloric acid at different strengths using; (i) pH papers and (ii) universal indicator solution
Determine the pH values of hydrochloric acid at different strengths using; (i) pH papers and (ii) universal indicator solution
Chemistry Lab ManualNCERT Solutions Class 11 Chemistry Sample Papers
Requirements
Test tubes, measuring cylinder, glass rod, u…