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what are the tree laws of chemical reaction
Fe+ AgNO3-->Fe(NO3)2 + Ag
why HF can''t be kept in glass bottle
Number of protons, neutrons and electrons in the element 231/89 y is: (1) 89, 231, 89 (2) 89, 89, 242 (3) 89, 142, 89 (4) 89, 71, 89 Ans: 89, 142, 89
calculate the enthalpy of combustion for acetic acid using standard enthalpies of formation.
Condensation with formaldehyde - Miscellaneous reactions Phenol condenses with formaldehyde (excess) in presence of sodium hydroxide or acid (H + ) for about a week to form a p
how was the magnitude of electric charge concluded?
Existence of positively charged nucleus was established by: (1) Positive ray analysis (2) α -ray scattering experiments () X-ray analysis (4) Discharge tube exper
find H^+ concentration if Ph=4.90
explan the calomen electrode
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