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Objectives:
==== Objectives: ====
# Able to identify the acids and bases
# Able to identify the acids and bases
# Able to classify the acids and bases
# Able to classify the acids and bases
# Able to identify, differentiate and classify acids and bases by using all indicators
# Able to identify, differentiate and classify acids and bases by using all indicators
Materials required:
==== Materials required: ====
Lemon juice, orange juice, curd, sugar, common salt, Amla, baking soda, cucumber, etc,.
Lemon juice, orange juice, curd, sugar, common salt, Amla, baking soda, cucumber, etc,.
Reference links
==== Reference links ====
[https://dsert.kar.nic.in/kalikachetarike/7thEngScienceLS.pdf Kalika chetharike Material], [https://www.youtube.com/watch?v=eUejqjWC8Ws&list=PLj2EUkWt-rYYrW4F_jtKRCvjiu3i0OYL9&index=2 Litmus Paper test to detect Acid, Bases and Neutral substance]
[https://dsert.kar.nic.in/kalikachetarike/7thEngScienceLS.pdf Kalika chetharike Material], [https://www.youtube.com/watch?v=eUejqjWC8Ws&list=PLj2EUkWt-rYYrW4F_jtKRCvjiu3i0OYL9&index=2 Litmus Paper test to detect Acid, Bases and Neutral substance]
==== Acid and Base: ====
==== Process: ====
Litmus paper as indicator:
Litmus paper as indicator:
{| class="wikitable"
{| class="wikitable"
