What is the letter of qalqalah?

Choose words we must make qalqalah when we reading it?

When we stop on word أحد

Must we do qalqalah?

When we stop on word الناس

Must we do qalqalah?

What is this sign called?

When the letter have shaddah,that is mean ,the letter consist of?

Choose words we must make ghonnah when we reading it?

We must make ghonnah ,when letters ...,... have shaddah

There is.....rules in Noon sakinah and tanween

How can we apply ezhar ?

How can we apply al eklab?

What is the letters of Al edgham "merging"?

What is the letters of Al ikhfaa "hiding"?