bhartichoudhary1980 Asked: September 2023 There are some rs50 and rs20 notes in a purse. Number of rs50 notes is 7 less than rs20 notes . The total amount
bhartichoudhary1980 Asked: December 2022 q true or false carbon dioxide is produced when there is more oxygen than the fire needs
bhartichoudhary1980 Asked: December 2022 "For producing or Sustaining combustion, the temperature should be above the ignition temperature of the combustible material"Please explain this statement in simple