PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(I) The temperature of the solution increases.
(II) The temperature of the solution decreases.
(III) The temperature of the solution remains the same.
(IV) Salt formation takes place.
(I) The temperature of the solution increases.
(II) The temperature of the solution decreases.
(III) The temperature of the solution remains the same.
(IV) Salt formation takes place.
2. Sodium hydrogen carbonate when added to acetic acid evolves a gas. Which of the following statements are true about the gas evolved?
(i) It turns lime water milky
(ii) It extinguishes a burning splinter
(iii) It dissolves in a solution of sodium hydroxide
(iv) It has a pungent odour
(i) It turns lime water milky
(ii) It extinguishes a burning splinter
(iii) It dissolves in a solution of sodium hydroxide
(iv) It has a pungent odour
Register for free to see more content