I just opened the Quran on my phone and I see after the 'ha' there is an silent Alif or 'Laam'(Not 100% sure). Anyway the ending letter becomes that Alif so reading the 'ha' is correct.
In some other ayas there is a silent 'ya' at the end.
It seems to me that you are neither an Arabic speaker nor have a basic level in understanding Arabic. As what you suggest would rotate an Arabic linguist in his grave if he could. Let me explain your inquiry with a focus on the linguistic part of the question:
Your Example from surat al-Zalzala (99)
Al-Zalazala or al-Zalzalah (both actually are examples of ...