E-PolyLearning

16. Chemical formula of Caustic soda is
a. NaOH
b. KOH
c. MgO
d. Ca(OH)₂
View Answer Report Discuss 50-50!
Answer: (a).NaOH

17. Bleach has an approximate of
a. 5
b. 8
c. 11
d. 14
View Answer Report Discuss 50-50!
Answer: (c).11

18. In Universal indicators, weak alkalis are indicated through
a. turquoise color
b. blue color
c. light violet color
d. all of these
View Answer Report Discuss 50-50!
Answer: (d).all of these

19. Orange juice is
a. acidic
b. alkaline
c. neutral
d. basic
View Answer Report Discuss 50-50!
Answer: (a).acidic

20. Best indicator of all is
a. litmus indicator
b. universal indicator
c. methyl orange indicator
d. Phenolphthalein indicators
View Answer Report Discuss 50-50!
Answer: (b).universal indicator

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