Advertisements
Advertisements
प्रश्न
MULTIPLE CHOICE QUESTIONS
Which is the lightest of all elements?
- hydrogen
- helium
- lithium
- none of these
उत्तर
hydrogen
shaalaa.com
Hydrogen
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
MULTIPLE CHOICE QUESTIONS
Which is the lightest of all elements?
hydrogen