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NANDANI KUMARI • asked a question

How would you account for the following:

(i) Highest fluoride of Mn is MnF4 whereas the highest oxide is Mn2O2

(ii) Transition metals and their compounds show catalytic properties.

ii)Transition metals and their compounds show catalytic activities because of Variable or multiple oxidation states, ability to form complexes, they provide large surface area for adsorption.
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Abhishek Yadav • asked a question



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Rabin Kalikote • 12 months ago

Since, I don't have any past experience with theatre, I want to recall one of my favorite pastime. I will take you to my childhood when I was in my village in Nepal.

In our corn field, my grandfather used to plough the land with oxes. I used to be fascinated by watching him and had great desire to plough the land. However, the oxes were too big for me to control. I wouldn't be able to even raise and move the plough that my granny...

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LOKESH DAS • almost 2 years ago

Here are some bonny dialogues fromWonder,a wonderful novelby R.J. Palacio. I admire the last one (fav)

Funny how sometimes you worry a lot about something and it turns to be nothing.(page 215)

It was like when you re in a room where one of the lightbulbs on the ceiling isn't working,but you dont realize how dark it is until until someone changes the bulb and then you are like whoa, it s so bright in here.(page -214)

I think there should...

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Aryan Sigdel • asked a question

what's the difference between pass by reference and pass by value?

This picture develops a clear understanding.


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Write two difference between nascent and molecular hydrogen • over 1 year ago

My exam is near so I was search a right answer


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Diwas Pandit • asked a question

Can two vectors of different magnitude be combined to give a zero resultant? What about in three vectors?

The two vectors (say A and B) of different magnitudes cannot be combined to give zero resultant since minimum value of combination is ІA-BІ which is not zero if AB.

The three vectors A, B and C of different magnitudes can be zero such that they form a closed triangle, then,

      A+B+C=0

or, C=-(A+B)

Hence, the sum of three vectors may be zero if vector sum of any two vectors is equal and opposite to the third vector.

Note: The vectors can give this result only if...

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