কাজ
প্রদাহ, ব্যাথা, প্রদাহজনক, অপারেটিভ প্রদাহজনক প্রতিক্রিয়া চিকিৎসায় নির্দেশিত হয়।
0 Answers
What is acid rain?
Rain water having a pH of less than 5.6 is called acid rain.
1 Answers 1 views
Differentiate between Bronsted acid and Lewis acid with examples.
Bronsted-Lowry Acid A Bronsted-Lowry acid, like an Arrhenius acid, is a compound that breaks down to give an H+ in solution. Lewis Acid A Lewis acid refers to an atom or molecule that...
1 Answers 1 views
How many litres of water will have to be added to 1125 litres of the 45% solution of acid?
It's best among the best answers... Hats off u
1 Answers 1 views
How many litres of water will have to be added to 1125 litres of the 45% solution of acid?
1 Answers
1 views
Calculate the concentration of nitric acid in moles per litre in a sample which has a density, 1.41 g mL–1
Solution: We have Mass percent of HNO3=69% Hence mass of HNO3 in the solution is 69g Mass of water=100-69=31g Number of moles of HNO3 =69/63=1.09moles Density=mass/volume Volume=mass/density =100/1.41=70.9ml Concentration (Molarity) = number of moles of solute/volume of the solution ...
1 Answers 1 views
Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute H2SO4.
When reactive metals react with dilute hydrochloric acids, gives a salt and hydrogen gas Metal + Dilute acid → Salt + Hydrogen Reaction between Iron and H2SO4: Fe + H2SO4 → FeSO4 +...
1 Answers 1 views
Butanone is a four-carbon compound with the functional group (a) carboxylic acid. (b) aldehyde. (c) ketone. (d) alcohol.
Answer: (c) The functional group of butanone is ketone.
1 Answers 1 views
During deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in the
(a) cytoplasm
1 Answers 1 views
Attempt titrating an amino acid against a weak base and discover the number of dissociating (ionizable) functional groups in the amino acid.
Titrating a neutral or basic amino acid against a weak base will dissociate only one functional group, whereas titration between acidic amino acid and a weak acid will dissociate two...
1 Answers 1 views
Why is it necessary to use acetic acid and not sulphuric acid for acidification of sodium
Although the addition of sulphuric acid will precipitate lead sulphate, the addition of acetic acid will ensure a complete precipitation of sulphur in the form of lead sulphate due to...
1 Answers 1 views