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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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7. True or False (If false give the correct statement) I

1. Silver metal can displace hydrogen gas from nitric acid.

True
False

Silver cannot displace \(H_2\) from \(HNO_3\) acid since it is located below hydrogen in the activity series.
Silver metal has the ability to displace hydrogen gas from nitric acid.

2. The pH of rain water containing dissolved gases like \(SO_3\), \(CO_2\), \(NO_2\) will be less than \(7\).

True
False

The pH of rain water containing dissolved gases like \(SO_3\), \(CO_2\), \(NO_2\) will be less than \(7\).
The pH of rain water containing dissolved gases like \(SO_3\), \(CO_2\), \(NO_2\) will be greater than \(7\).

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