Question

How can you say that given solution is acidic or basic?​

Answer 1

Answer:

There are many solutions which may be acidic or may be basic...but the best way to find it's nature is to use the litmus paper... The acid solution with turn the blue litmus into red..and the basic solution turn red litmus into blue..if it nutral the litmus paper doesn't show any effect..

Hope it will you..

Answer 2

$\red{Acids :}$

• Acids acids are those chemical substances which have a sour taste and change the colour of blue Litmus to Red

• Some common fruits such as a unripe mango, lemon ,orange, tamarind ,etc. are sour in taste.

• This suggests that these fruits contain acids.

• Some commonly used acids are hydrochloric acid (HCL), sulphuric acid , Nitric acid , etc.

• Some naturally occurring acids are:

1. Vinegar - Acetic Acid
2. Orange and lemon - Citric acid
3. Tamarind - Tartaric acid
4. Tomato - Oxalic acid
5. Curd - lactic acid

$\blue{Bases :}$

• Bases are those chemical substances which are bitter in taste, Soapy to touch and turn red litmus to Blue.

• Example - Sodium hydroxide and Calcium Hydroxide, etc.