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URL:https://www.learndesk.us/class/4546468742430720/acids-bases-and-salts-class-7-science-ncert?ref=outlook-calendar
SUMMARY:Acids, Bases and Salts Class 7 Science NCERT
DTSTART;TZID=America/Los_Angeles:20260511T190000
DTEND;TZID=America/Los_Angeles:20260511T200000
LOCATION:https://www.learndesk.us/class/4546468742430720/acids-bases-and-salts-class-7-science-ncert?ref=outlook-calendar
DESCRIPTION: Q.1. State differences between acids and bases.
Q.2. Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature?
Q.3. Name the source from which litmus solution is obtained. What is the use of this solution?
Q.4. Is the distilled water acidic/basic/neutral? How would you verify it?
Q.5 Describe the process of neutralization with the help of an example.
6. Mark ‘T’ if the statement is true and ‘F’ if it is false:
(i) Nitric acid turns red litmus blue. (T/F)
(ii) Sodium hydroxide turns blue litmus red. (T/F)
(iii) Sodium hydroxide and hydrochloric acid neutralize each other and form salt and water. (T/F)
(iv) Indicator is a substance that shows different colors in acidic and basic solutions. (T/F)
(v) Tooth decay is caused by the presence of a base. (T/F)
Q.7. Dorji has a few bottles of soft drinks in his restaurant. But, unfortunately, these are not labeled. He has to serve the drinks on the demand of...

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