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JNAN PUBLICATION-ROLE OF SUBSTANCES IN ENVIRONMENT-EXAMPLE
- Which acid is present in ant bite?
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- What is base?
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- What is alkali?
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- Write the dissociation reaction of HCl in aqueous solution?
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- How can you write the dissociation of slaked lime in lime water?
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- What is pH scale?
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- How much of our daily food should be acidic and basic?
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- Name the foods which are basic in nature.
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- Name the foods which are acidic in nature.
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- How many types of salt do we use now a days as food?
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- What is the medium of communication in our body?
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- What assists the nerve in the activity of communication?
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- What will happen if the level of salt in our body suddenly decreases d...
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- Where from the word 'polymer' is derived?
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- Name some fertilisers.
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- Name some pesticides.
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- What are the adverse effects of Lead and Mercury?
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- What has been found in some of the widely consumed soft drinks in our ...
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- What herbal medicine was used earlier for small cuts or bruises?
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- In early days what was used for dying of clothes?
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