Advertisements
Advertisements
प्रश्न
M is an element in the form of a powder. M burns in oxygen and the product obtained is soluble in water. The solution is tested with litmus. Write down only the word which will correctly complete the following sentence.
If M is a non-metal, then the litmus will turn ______.
उत्तर
If M is a non-metal, then the litmus will turn red.
संबंधित प्रश्न
State the inference drawn from the following observations:
On carrying out the flame test with a salt P, a brick red flame was obtained. What is the cation in P?
What would you observe when red litmus paper is introduced in Caustic soda solution?
State three applications of pH scale.
Explain, why a universal indicator is preferred to acid-base indicators.
A solution has a pH of 7. Explain, how you would:
Increase its pH, If a solution changes the color of litmus from red to blue, what can you say about its pH?
Mention the colour changes observed when the following indicator is added to acid: Neutral litmus solution.
When you use universal indicator, you see that solutions of different acids produce different colours. Indeed, solution of the same acid with different concentrations will also give different colours. Why?
If a solution changes the colour of litmus from red to blue, what can you say about its pH?
Solution P has a pH of 13, solution Q has a pH of 6 and solution R has a pH of 2.
Which solution is a strong acid?
Choose the odd one out & give a reason:
