Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

The more of this there is, the less you see. What is it?

I know a nine-letter word having only one vowel.
Do you ?

How can you take 2 from 5 and leave 4?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

I am white when I am dirty, and black when I am clean. What am I?

How many letters are in the alphabet?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

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.