What does below chemistry rebus means?

Can you identify the Oscar-winning movie from the rebus below?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

Rearrange the letters in "new door" to make one word.

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What does this rebus means ?

PROG WORKRESS

Which five letter word can be added at the end of below word to form a
valid word?

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In the picture given below, can you find out which digit will take place of the question mark?