Advertisements
Advertisements
प्रश्न
Choosing the correct words given in brackets, complete the sentence given below:
An acid is a compound which, when dissolved in water gives ______ ( hydronium / hydroxide) ions as the only ______ (positive/negative) ions.
Advertisements
उत्तर
An acid is a compound which, when dissolved in water gives hydronium ions as the only positive ions.
APPEARS IN
संबंधित प्रश्न
Three solutions P, Q and R have pH value of 3.5, 5.2 and 12.2 respectively. Which one of these is a:
1) Weak acid?
2) Strong alkali?
Name one natural source of the following acids:
Oxalic acid
What is produced if an acid is added to a base?
State one observation for each of the following :
A small piece of zinc is added to dilute hydrochloric acid
Give the name and formula of two : Volatile acids
Carbonic acid gives an acid salt but hydrochloric acid does not. Explain.
A metal 'M' on reacting with dilute acid liberates a gas 'G'. The same metal also liberates gas 'G' when reacts with a base.
- Write the name of gas 'G'.
- How will you test the presence of this gas?
- Write chemical equations for the reactions of the metal with (1) an acid and (2) a base.
You are supplied with five solutions: A, B, C, D and E with pH values as follows: A = 1.8, B = 7, C = 8.5, D = 13, and E = 5
Classify these solutions as neutral, slightly or strongly acidic and slightly or strongly alkaline.
Which solution would be most likely to liberate hydrogen with powdered zinc metal. Give a word equation for each reaction.
The acid which contains four hydrogen atoms ______.
Select an oxide which dissolves in water forming an acid.
