Advertisements
Advertisements
प्रश्न
Name an acid used to remove ink spots.
Advertisements
उत्तर
Oxalic acid
संबंधित प्रश्न
You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. If you are given only red litmus paper, how will you identify the contents of each test tube?
How will you test for the presence of this gas?
What happens to the H+ ions, of the solution, when an acid is neutralised?
Give the names and formulae of two strong bases and two weak bases.
One of the following does not inject an acidic liquid into the skin through its sting. This is:
(a) honey bee
(b) ant
(c) wasp
(d) nettle leaf hair
what effect does the concentration of [H3O+] ion have on solution?
Identify the following solutions, whether they are acid or base.
| Solution | Change in Indicator | Acid/Base | ||
| Litmus | Phenolphthalein | Methyl orange | ||
| 1. | -- | No change | -- | |
| 2. | -- | -- | Orange colour turns red | |
| 3. | Red litmus turns blue | -- | -- | |
Tartaric acid is a ______ acid.
Choose the correct answer from the options given below:
Benzoic acid is used for/in/as
Vinu and Priyan take their lunch at school. Vinu eats lemon rice and Priyan eats curd rice. Both lemon rice and curd rice are sour in taste. What is the reason?
