Chemistry Fill in the blanks Set 02
(TNPSC UPSC/TEACHING/ TRB )
1. Apple is the source of _______ acid
Ans: malic
2. Sulphuric acid is _______ acid.
Ans: Inorganic
3. ________ are soapy to touch.
Ans: Bases
4. ________ are oxides or hydroxides of metals.
Ans: Bases
5. Bases give ____ ions when treated with water.
Ans: Hydroxy
6. The other name of Sodium hydroxide is ________
Ans: Caustic Soda
7. Phenolphthalein is an ________
Ans: Indicator
8. Red cabbage juice gives _________ colour wit a base.
Ans: green
9. The most commonly used natural indicator is ______
Ans: litmus
10. Proteins contain ________ acids.
Ans: amino
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