This is very normal nothing to worry after each feeding you should give proper burping to the baby for at least 20 minutes it will be helpful

hiccups in big children usually occur due to acidity as well as gas in the stomach and intestine of the child. it is important to give plenty of water to drink as well as easily digestible food made at home. it is self limiting problem and will decrease but if it is occurring again and again then it is advisable to complete a course of antacid.

Hello , give water . No need to worry

As such normal only. Avoid hot and spicy food, even for trial purpose. Even avoid fried or outside food. Between food pipe and stomach there is a stomach valve. Still the child's stomach valve is weak so little bit of acidity in stomach can cause irritation to food pipe and then hiccups