The more it dries, the wetter it becomes. Can you tell what it is?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

What English word has three consecutive double letters?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

You can see it everyday, But cannot touch it at will. What is it?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

What runs around the whole yard without moving?

Can you name some countries which do not have the alphabet 'A' in them?

I taste better than I can smell. Who am I?