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Herbarium

Herbarium Definition A herbarium is a collection of dried, pressed, and preserved plant specimens that are mounted on sheets and arranged systematically for study and reference. Key Points of the Herbarium Plant specimens are collected, pressed, dried, and preserved.They are mounted on herbarium sheets.Each sheet contains information such as the plant’s scientific name, family, place …

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One Rupee Classroom

Can You Really Learn a Full Course for Just ₹1? Find Out Here

It almost sounds like a clickbait headline, right? A whole course—professional, structured, career-focused—for the price of one cup of chai. ₹1. That’s it. No zeros added later, no hidden fees disguised as “processing charges,” no “first chapter free, rest you pay.” Just a rupee. One shiny coin. When I first heard about it, my eyebrows …

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Use Mendeleev’s Periodic Table to predict the formulae for the oxides of the following elements: K, C, AI, Si, Ba.

K- K2O C- C2O4 or CO2 Al- Al2O3 Si- Si2O4 or SiO2 B – Ba2O2 or BaO Group VI A of Mendeleev\’s periodic table is where oxygen belongs. The value of it is 2. All of the elements listed can also have their valencies inferred from the groups to which they belong. This will make …

Use Mendeleev’s Periodic Table to predict the formulae for the oxides of the following elements: K, C, AI, Si, Ba. Read More »

What were the limitations of Newlands’ Law of Octaves?

Limitations of Newlands’ Law of Octaves are as follows: (i) Only elements up to calcium are applicable to Newlands\’ Law of Octaves.(ii) Newland assumed that there were 56 elements in nature and that no new elements could be found.(iii) Newland combined two elements into one slot in order to fit them into the table. Newland …

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What is estrogen and role of estrogen in female human being ?

Estrogen: The main sex hormone in women is oestrogen. It is responsible of the female reproductive system\\\’s operation and the development of women\\\’s secondary characteristics. Estrogen helps the growth of several secondary traits in women: Growth of Ovaries: The ovaries control menstrual periods and the development of egg follicles.Repairing and Maintaining the Vagina: It keeps …

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