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The electronic configuration of a metal M is 1s 2 , 2s 2 , 2p 6 , 3s 1 , The formula of its oxides will be: (1) MO (2) M
Atoms consists of protons, neutrons and electrons. If the mass of neutrons and electrons were made half and two times respectively to their actual masses, then the atomic mass of
This of the following substances has giant covalent structure: (1) Iodine crystal (2) Solid co 2 (3) Silica (4) White phosphorus A
Q. What is Spontaneous reactions? Ans. Spontaneous reactions can occur under specific conditions without any assistance. Most of the reactions you know are spontaneous r
Al is used as reducing agent for the extraction of metals such as Chromium,Monganes.Explain why? Solution) Al3+ + 3 e- Al Good reducing agents like aluminum have relatively
Which of the following is least soluble: (1) BeF 2 (2) NaBr (3) CaF 2 (4
when 100ml of M/10 h2so4 is mixed with 500ml of M/10 naoh then nature or resulting solution and normality of excess of reactant left is
what is primary standard and secondary standard?
The HarperLake solar farm is located in Mojave Desert close to Daggett, CA. The solar radiation in Daggett is provided by the following table from: The HarperLake solar fa
When NaCl is dissolved in water, the sodium ion become
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