रसायन विज्ञान से जुड़ी 10 बातें | 10 Interesting Facts About Chemistry | Science Facts | #shorts

Interesting Facts About Animals

An interesting fact about equivalent fractions

Can You Answer These Questions?|History Of Hydrogen|Interesting Facts About Hydrogen4|Questions|Occurrence Of Hydrogen|Isotopes Of Hydrogen|Isotope Effect & Use Of Tritium|Position Of Hydrogen In Periodic Table|How Hydrogen Differs From Alkali Metals As Well As Halogens?|OMR

CBSE Class 10 Science - Most Important MCQs - Chemistry | CBSE Board 2020

In a X th standard examination out of the 100 students appeared 50 passed in all the subjects, 20 passed in science subjects only and 10 passed in languages only. All the remaining students failed in all subjects. Which of the following represents this fact?