science worksheet no.1


Acids, Bases and Salts

Worksheet NO.1

Choose the best correct option from the following options
1) Which among this is not a natural indicator?
    a) Litmus
    b)Turmeric
    c)Phenolphthalein
    d)China Rose
   

2) Acids are _______ in taste
  a)sour
  b)Sweet
  c)Salty
  d)Bitter


3) Bases are _______ in taste
    a)Sour
    b)Sweet
    c)Salty
    d)Bitter


4)The rain become acidic because of ________
    a)Nitrogen
    b)Hydrogen
    c)Carbondioxide
    d)Oxygen


5) Litmus is extracted from ________
   a)Frogs
   b)Kactus
   c)Hydra
   d)Lichens

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