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Standard VII
Chemistry
Acids
Question

Which of the following is not a property of acid:
  1. acids change the colour of turmeric
  2. None of these
  3. acids are sour in taste
  4. acid turns blue litmus to red.

A
acids are sour in taste
B
acid turns blue litmus to red.
C
acids change the colour of turmeric
D
None of these
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Solution
Verified by Toppr

A. True. They are sour in taste.
B.True.They turn blue litmus to red.
C.False.Turmeric remains yellow in acidic medium. It does not change colour.

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Similar Questions
Q1
Consider the following statements:
1) Acids are sour in taste and change the colour of blue litmus to red.
2) Bases are bitter and change the colour of red litmus to blue.
3) Litmus is a natural indicator.
Which of the statements above are correct?
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Q2
Which of the following statement is true for acids?
(a) Bitter and change red litmus to blue
(b) Sour and change red litmus to blue
(c) Sour and change blue litmus to red
(d) Bitter and change blue litmus to red
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Q3
Question 28.
Which of the following statement is true for acids?
(a) Bitter and change red litmus to blue
(b) Sour and change red litmus to blue
(c) Sour and change blue litmus to red
(d) Bitter and change blue litmus to red
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Q4
Consider the following statements.
a. Baking soda is an acidic salt whereas washing soda is a basic salt.
b. The aqueous solution of common salt does not change the colour of either red litmus solution or blue litmus solution.
c. Amla tastes sour whereas soap solution is bitter in taste.
d. The water extract of spinach does not change the colour of blue litmus solution.
Which of the statements are correct?
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Q5
An indicator which changes its colour from blue to red in acids is litmus solution.
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