Question

How can acids be identified?

Answer 1

Answer:

An acid can be identified as follows-

• Acids turn blue Litmus solution or paper red.
• Acid turn methyl orange solution pink.
• Phenolphthalein solution remains colourless in acidic solutions.

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Answer 2

Explanation:

Blood tests are the most common way to diagnose the human immunodeficiency virus (HIV), the virus that causes acquired immunodeficiency syndrome (AIDS). These tests look for antibodies to the virus that are present in the blood of infected individuals. People exposed to the virus should get tested immediately.