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Effect on Indicators by Acids and Bases

Alkalisa have...

Question

Alkalis

(a) have sour taste
(b) are soluble in water
(c) turn blue litmus red
(d) have all of these properties

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Solution

(b) are soluble in water
All alkalis are water soluble bases.

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Similar questions

Q. Acids

(a) have sour taste
(b) are corrosive in nature
(c) are soluble in water
(d) have all of these properties

Q. The property which is not shown by acids is:
(a) they have sour taste
(b) they feel soapy
(c) they turn litmus red
(d) their pH is less than seven

Q. State whether the following properties are those of acids, alkalies or both.
(a) sour taste
(b) pH value greater than 7
(c) changes the colour of litmus
(d) soapy to touch
(e) remains colourless in phenolphthalein
(f) may be strong or weak
(g) neutralises bases
(h) dangerous to handle
(i) usually react with metals
(j) turns red in the presence of turmeric

Q. 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?

Q. 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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