answer the question 2, 3,4 a and b
Answers
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Answer 2
Acid :-- acid are sour in taste and it is corrosive in nature.
Base :-- base are bitter and soapy to touch.
Answer3
==>It cleans the air or we can say that it pures the air and it is a strong base also, that neutralize all the acid in mouth.
Answer4
==>Sugar is neutral if checked on litmus paper.
Answer3 (a)
==>acid
Answer b
==> base
Hey mate here's your answer-
•) Ammonium hydroxide+ hydrochloric acid gives- *Ammonium chloride*+water
•) Sodium hydroxide+ hydrogen carbonate gives- *Sodium carbonate*+ water+ *carbon dioxide*
*Differences-*
*ACIDS-*
•They are sour in taste.
•They turn blue litmus to red.
*BASES-*
•They are bitter in taste.
•They turn red litmus to Blue.
*NEEM-*
•it is used as Insect Repellent
•it is also useful for Breathing conditions, fever, diabetes ,etc.
•)*SUGAR* is neither a acid nor a base.
it is neutral and doesn't change the colour of blue or red litmus.
•)When a *Strong Acid* and *Weak Base* are mixed then they will have pH less than 7 and will show acidic character.
•)When *Strong Base* and *Weak Acid* are mixed then they will show pH more than 7 and it will show basic character
hope it helps.....!!!!