Question
State differences between acids and bases.

Answer

 
Acids
Bases
$(i)$
These are sour to taste.
These are bitter to taste.
$(ii)$
Acids turn blue litmus red.
Bases do not change the colour of blue litmus.
$(iii)$
Acids do not change the colour of red litmus.
Bases turn red litmus blue.
$(iv)$
With china rose indicator, these give dark pink colour.
Bases give green colour with china rose indicator.
$(v)$
Acids do not change the colour of turmeric indicator.
Bases turn the colour of turmeric indicator to red.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

State some ways to prevent soil erosion.
Describe the various ways by which seeds are dispersed.
A student performs an experiment where he uses a heating coil to heat the water as shown in the figure. The initial temperature of the water is measured as $10^{\circ} C$. After switching it ON for 5 min, the student records the temperature of the water as $18^{\circ} C$.
Image

The water is allowed to return back to its initial temperature. The activity is then repeated with another heating coil having half the length of the original heating coil. He notices that after 5 min, the temperature of the water reads $14^{\circ} C$. Which statement can be concluded based on the activity?
(a) Reading on thermometer reduces with time.
(b) Temperature of water drops with every repetition.
(c) Length of the material affects the amount of heating.
(d) Temperature of the water increases after a certain period of time.
Write the differences between metals and non-metals on the basis of their physical properties.
Explain the factors responsible for the depletion of water table.
Explain the mechanism of breathing in human beings.
With the help of an experiment, explain that carbon dioxide is released during respiration.
What are the safety precautions while working with electricity?
Match items in Column I with those in Column II:
Column I Column II
Bud Maple
Eyes Spirogyra
Fragmentation Yeast
Wings Bread mould
Spores Potato
Rose
Respiration can occur in two different manners. Briefly explain the process of aerobic respiration. How does it differ from anaerobic respiration?