Tejaab

Hydrochloric acid (in beaker) reacting with ammonia fumes to produce ammonium chloride (white smoke).

Acids can be dangerous: The holes in the paper were made by a solution with 98% sulphuric acid.

Acid uu chij hae jiske pH 7.0 se kamti rahe hae

Kuchh acid jon ki nature me hae:

• Sirkaa (Vinegar), jisme acetic acid hae.
• Nitric acid jiske 13th centuryme pawa gais rahaa.
• Citric acid, jon ki fruit me rahe hae.
• Lactic acid jiske dahii me pawa jaae hae.
• Sulfuric acid

Acid ke property hae:

• Khattaa lage jab iske khawa jaae hae.
• agar iske chhuwa jaae tab ii chamrraa ke jarae sake hae