The symbol Pb denotes:

এই অধ্যায়ের আরও প্রশ্ন

• C-03-Q067The symbol Fe denotes:
• C-03-Q068The symbol Hg denotes:
• C-03-Q069The symbol W denotes:
• C-03-Q070Hydrogen molecule is expressed as:
• C-03-Q071The formula implies that one molecule of hydrogen contains:
• C-03-Q072The formula of water is:
• C-03-Q073The formula of nitrogen molecule is:
• C-03-Q074The formula of ammonia is:
• C-03-Q075The formula of chlorine molecule is:
• C-03-Q076The formula of sulfuric acid is: