Question
Write the characteristics of acids by which we can identify acids.
✓
Answer
Characteristics of acids are:
- They are sour in taste.
- They turn blue litmus paper/ solution to red.
- Dilution of acid in water is an exothermic reaction, i.e. heat energy is evolved.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Write one similarity and one difference between the nutrition in amoeba and human beings.
Explain why, when the current is switched ON through a wire, the needle of a compass kept nearby gets deflected from its North-South position?
These students are describing some changes. What kinds of changes are they talking about?
The tropical rainforest has a large population of animals. Explain why it is so.
The extract of red rose turns the liquid X to green. What will the nature of liquid X be? What will happen when excess of amla juice is added to liquid X?
People say that nothing goes waste in a forest. Can you explain how?
Respiration in fish is different from that in humans. Explain in brief how fish can breathe through gills?
A man digging a pit found that he could dig with ease initially but digging became difficult as he went deeper. He could not dig beyond a depth of $5$ feet. Provide a suitable scientific explanation.
→You are provided with four test tubes containing sugar solution, baking soda solution, tamarind solution, salt solution. Write down an activity to find the nature (acidic/ basic/ neutral) of each solution.
A soil sample was taken from an agricultural land and was weighed. The mass of the soil was found to be $50g$. $100\ mL$ of water was taken in a measuring cylinder and added into the soil sample. The soil absorbed $80\ mL$ of water and rest left in the measuring cylinder. Calculate the absorption rate of water by the soil.
→