Lab question
Explain how dissolving the Group IV carbonate precipitate with 6M CH3COOH, followed by the addition of extra acetic acid, establishes a buffer with a pH of approximately 5.
what are condensation polymerization give in with 2 examples
Illustrate HCl is polar or non-polar?
Write a short note to describe how to test a gas to see if it was hydrogen or not?
Superphosphate has the formulate: CaH4 (PO4)2 H2O calculate the percentage of Phosphorus in this chemical. Show your calculations
A mixture has 18 g water and 414 g ethanol. What is the mole fraction of water in mixture (suppose ideal behaviour of mixture): (i) 0.1 (ii) 0.4 (iii) 0.7 (iv) 0.9 Choose the right answer from abo
25 ml of a solution of barium hydroxide on titration with 0.1 molar solution of the hydrochloric acid provide a litre value of 35 ml. The molarity of barium hydroxide solution will be: (i) 0.07 (ii) 0.14 (iii) 0.28 (iv) 0.35
Carbon compounds containing more than one halogen atom are called polyhalogen compounds. Most of these compounds are valuable in industry and agriculture. Some important polyhalogen compounds are described as follows: Q : Advantages of doing your own chemistry What are the advantages of doing your own chemistry assignments? State your comment?
What are the advantages of doing your own chemistry assignments? State your comment?
Illustrate all the explosions produce carbon dioxide?
Avogadro's hypothesis Law Principle- Berzelius, a chemist tried
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