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प्रश्न
Fill in the blank
The word acid comes from latin word acidus meaning _________
उत्तर
The word acid comes from the latin word acidus meaning 'sour'.
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संबंधित प्रश्न
Name the gas evolved when dilute HCl reacts with sodium hydrogencarbonate. How is it recognised?
The soil in a field in highly acidic. Name two materials which can be added to this soil to reduce its acidity. Give the reason for your choice.
One of the following salts will give an alkaline solution on dissolving in water. This is:
a) Na2CO3
(b) Na2SO4
(c) NaCl
(d) (NH4)2 SO4
Name an acid used as an eyewash.
Write balanced equation to satisfy the following statement:
\[\ce{Acid + Carbonate or bicarbonate -> Salt + water + Carbon dioxide}\]
HCl, HNO3, C2H5OH, C6H12O6 all contain H atoms but only HCl and HNO3 show acidic character. Why?
Acid - Define.
What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(i) Temperature of the solution decreases.
(ii) Temperature of the solution increases.
(iii) Temperature of the solution remains the same.
(iv) Salt formation takes place.
Why does blue color copper sulphate become white on heating?
Explain the following:
\[\ce{H3PO3}\] is not a tribasic acid.
