Test Preparation on Redox Reaction-II-Chemistry Test Series For NEET-2020

The equivalent weight of phosphoric acid (H₃PO₄ ) in the
reaction, NaOH H₃PO₄ → NaH₂PO₄ H₂O is

During electrolysis of water the volume of O₂ liberated is
2.24 dm³ . The volume of hydrogen liberated, under same
conditions will be
(a) 2.24 dm³       (b) 1.12 dm³
(c) 4.48dm³        (d) 0.56dm³

1 g of a mixture of NaHCO3 and Na₂CO₃ is heated to 150ºC .
The volume of the CO₂ produced at STP is 112.0 mL. Calculate
the percentage of Na₂CO₃ in the mixture
(Na = 23,C =12, O =16)

What volume of oxygen gas (O₂ ) measured at 0°C and 1 atm,
is needed to burn completely 1L of propane gas (C₃H₈ )
measured under the same conditions