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प्रश्न
What is the difference between an alkali and a base?
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उत्तर
An alkali and a base:
1. Alkalis are soluble in water whereas bases may be or may not be soluble in water.
2. All alkalis are bases but all bases are not alkalis.
संबंधित प्रश्न
Name one natural source of the following acids:
Oxalic acid
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again.
Name the natural indicator present in curry stain.
Write the chemical formula of ammonium chloride. Explain why an aqueous solution of ammonium chloride is acidic in nature? Illustrate your answer with the help of a chemical equation.
Consider the following substances:
NaCl, Ca(OH)2, NaHCO3, NH3, Na2CO3, H2O, Cl2, CO2, CaSO4.2H2O, 2CaSO4.H2O, CaOCl2
Which compound is used as an antacid?
Define an acid.
An hydrous hydrogen chloride is not an acid but its aqueous solution is a strong acid. Explain.
HCl, HNO3, C2H5OH, C6H12O6 all contain H atoms but only HCl and HNO3 show acidic character. Why?
An aqueous solution turns red litmus solution blue. Excess addition of which of the following solutions would reverse the change?
Which of the following is an acid-base indicator?
To Interpret:
CH4 and NH3, are not acids.
