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Bases

Which of the ...

Question

Which of the following are not properties of a base?

A

Bases are bitter in taste

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B

Bases do not change the colour of red litmus.

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C

Bases turn red litmus blue

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D

Bases are soapy to touch

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Solution

The correct options are
A
Bases are bitter in taste

B
Bases do not change the colour of red litmus.

Bases are bitter to taste and slippery in feel. At home, we use bases as cleaning agents and as antacid medications. Common examples of bases found at home include soaps and dyes.

Bases have a pH value greater than seven and turns red litmus blue.

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Similar questions

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. 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. Why do acids change litmus paper colour from blue to red while bases don't?

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

Q. 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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