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Fill in the blanks: 1. Acids are ………… in taste. 2. Solutions of acids conduct ………… 3. ………… change the colour of the indicators 4. ………… is used to preserve food materials 5. …………… is called the king of chemicals. 6. Bases are chemical substances that are corrosive and ………… in nature 7. Water soluble bases are called …………8. Sodium carbonate is commercially called as …………9. Acidity or indigestion in stomach is due to excessive secretion of ……… 10. Methyl orange gives ………… colour in an acidic solution. |
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Answer» 1. sour 2. electricity 3. Acids 4. Vinegar 5. Sulphuric acid 6. bitter 7. alkalis 8. Baking soda 9. hydrochloric acid 10. majenta |
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