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Qbasic Coding Challenge for ...

WAP that allows a user to create and modify an array of size 10. Below is the menu that should be displayed. Clear the arrayInsert element at locationDelete element at locationS...

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Chemistry. Midterm exam 2021...

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Maths. Midterm exam 2021. St...

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Young's Double Slit Experime...

Check out the Young's Double Slit Experiment Visualization made by Joon Shakya to gain knowledge in a exciting and fun waySwipe to change the view. Click here to view it in sepa...

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Loveee

O Love!

                                                                            O Love!What do you know of love?Have you my friend ever been in love?To feel so vulnerable and so bar...

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Newtons law of gravitation

The universal law of Gravita...

Force of attraction (F) = G.(m1m2) / d2Let us consider two bodies with mass m1 and m2 at the distance of d from their center.According to Newton's law of gravitation, the force ...

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Physics. Midterm exam 2021. ...

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Physics | Annual exam 2020 |...

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Pythonlogo

Simple program to create Roc...

This is a simple program to create a rock, paper, scissors game that we used to play in our childhood.Note: This is a simple program and there is no graphical interferencefrom r...

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Biology | Annual exam 2020 |...

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Periods

Menstrual cycle

Menstrual cycle is the series of cyclic changes that occur in the reproductive tract of human females with a periodicity of 28 days. It is characterized by loss of vaginal blood...

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Mister prabin

Modern periodic rule states that, 'The physical and chemical properties of the elements are the periodic function of their atomic number'.

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Mister prabin

A chemical reaction in which a single reactant is broken down into two or more products called a decomposition reaction. For example:

CaCO3 -------> CaO + CO2
CuCO3 -------> CuO + CO2

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Mister prabin

A catalyst is a chemical substance that increases or decreases the rate of a chemical reaction without taking part in a chemical reaction.

The +ve catalyst is the chemical substance that increases the rate of a chemical reaction. For example MnO2The catalyst is the chemical substance that decreases the rate of a chemical reaction. For example glycerine.

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Mister prabin

The electrons present in the outermost shell or valence shell of an atom are called valence electrons.

In a period, valency increases up to the 4th group and decreases up to the 8th group and again increases.

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Mister prabin

We know, water breaks down into hydrogen and oxygen during its electrolysis. As two elements decompose themselves in this chemical reaction, it is called a decomposition reaction.

2H20 --------> 2H2 + O2

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Mister prabin

Increasing order of atomic weight was the basis of Mendeleev's periodic table.

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Mister prabin

A chemical reaction in which aid and base react together to gee salt and water is called an acid-base reaction.

It is called a neutralization reaction because the acidic and basic nature of compounds is neutralized during the reaction.

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