आवर्त सारणी की क्षैतिज पंक्तियों को कहा जाता है - The horizontal rows of the periodic table are called - Awart Sarni Ki Shaitij Panktiyon Ko Kahaa Jata Hai Gen Science GS in hindi, question answers in hindi pdf questions in hindi, Know About Gen Science GS online test Gen Science GS notes in hindi quiz book
Ydyfyf d
Fssccddxfdc