ਤੁਹਾਡੇ ਇਲਾਕੇ ਵਿੱਚ ਮਲੇਰੀਆ ਫੈਲ ਗਿਆ ਹੈ। ਸਿਵਲ
ਸਰਜਨ ਨੂੰ ਰੋਕਥਾਮ ਲਈ ਪੱਤਰ ਲਿਖੋ | punjabi aate hai to bolo ?
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Aqua Regia (Latin for “royal water”) is an acidic, corrosive, and oxidative mixture of three parts concentrated hydrochloric acid (HCl) and one part concentrated nitric acid (HNO3).
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