1.pH value of rain water is
6.5 - 7.5 7.5 6.0 4.8 - 8.4
2.The process of conversion of a liquid into vapours at any temperature below its boiling point is called
Melting Condensation Sublimation Evaporation
3.All atoms of the same element have the same number of
Protons Nuetrons Electrons Protons and Nuetrons
4.Mallic Acid is present in which of the following fruit?
Apple Lemon Orange Goya
5.The ___________________ acid is present in lemon
Tartari acid Citric acid Lactic Acid Marlic Acid
6.5 - 7.5 7.5 6.0 4.8 - 8.4
2.The process of conversion of a liquid into vapours at any temperature below its boiling point is called
Melting Condensation Sublimation Evaporation
3.All atoms of the same element have the same number of
Protons Nuetrons Electrons Protons and Nuetrons
4.Mallic Acid is present in which of the following fruit?
Apple Lemon Orange Goya
5.The ___________________ acid is present in lemon
Tartari acid Citric acid Lactic Acid Marlic Acid
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