Questions

FALSE. Each hemoglobin molecule can transport four molecules of oxygen.

Hemoglobin, or Hb, is a protein molecule found in red blood cells (erythrocytes) made of four subunits: two alpha subunits and two beta subunits. Heme the component of hemoglobin responsible for binding oxygen consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules, one molecule binds one molecule of oxygen and can bind up to four oxygen molecules.

Washing soda is the common name for Sodium Carbonate (Na2CO3). It is also called as Soda Ash.

Evaporation causing cooling.Here the evaporation is less. Therefore cooling is less.

Author of the book Passage to India is E.M.Foster . This book is selected as one of the 100 great works of the english literature and won James Tiat Black  memorial prize for fiction in the year 1924

Caspian Sea (371,000 sq km)

Anything that has Mass and takes up Space is called Matter.

Matter has some mass and occupies some space. Mass means the amount of matter in an object. Space occupied by an object is called its Volume.

The Study of Matter and and how matter changes is called Chemistry.

Gautamiputra Satakarni has been described as the "destroyer of the Sakas, the Yavanas and the Pallavas".