Questions

All chemistry is based on sharing electrons. A chemical bond forms when two atoms transfer or share outer electrons to complete their outer shells.

The given statement is True.

Ketchup is acidic, having a pH of 3.9. The acidic component, acetic acid, will react with the metal tin. This reaction will result in a metal acetate that will contaminate the ketchup.

Hence, The acetic acid in the ketchup will react with the metal tin, forming a metal acetate that will pass into the ketchup which leads to its contamination.

Gene flow means migration of genes from one to another. This gene flow is caused by individuals moving into population.

Paytm Payments Bank is the India's largest digital bank providing zero balance accounts and zero charges on digital transactions.

Antarctica is known as white continent because 98% of it's area is covered by ice throughout the year.