Advertisements
Advertisements
प्रश्न
Give the name and formula of two : Weak dibasic acids
Advertisements
उत्तर
(i) Carbonic acid H2CO3
(ii) Oxalic acid (COOH)2
APPEARS IN
संबंधित प्रश्न
What happens when bases react with non-metal oxides? Explain with the help of an example. What does this reaction tell us about the nature of non-metal oxides?
One of the following is a medicine for indigestion. This is:
(a) sodium hydroxide
(b) manganese hydroxide
(c) magnesium hydroxide
(d) potassium hydroxide
Give one example in the following case:
A hydrogen containing compound which is not an acid.
Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?
Give the reaction of acid with chlorides. State the conditions under which they react.
Complete the following table and write one equation for each to justify the statement:
|
Reactants |
Products |
Method |
|
Soluble base + Acid (dil) |
Salt + water |
Neutralisation Titration |
|
Metal + Non-metal |
Salt (soluble/insoluble) |
______ |
|
Insoluble base + ______ |
Salt (soluble) + water |
______ |
|
Active metal + Acid (dil) |
______ + ______ |
______ |
|
Soluble salt solution (A) + Soluble salt solution (B) |
Precipitated salt + Soluble salt |
______ |
|
Carbonate/bicarbonate + Acid (dil) |
Salt + ______ + ______ |
Decomposition of carbonate |
|
Chlorides/nitrates + Acid (conc.) |
______ + ______ |
Decomposition of chlorides and nitrates |
The correct way of making a solution of acid in water is to ______.
______ acids have a relatively smaller amount of acids dissolved in a solvent.
Complete the following equation.
Ca(OH)2 + ______ → ______ + H2O
The acid which contains four hydrogen atoms ______.
