NMDCAT Practice Test 1 1st year of chemistry By MRSO
#1. One mole of SO2 contains:
#2. A ring is studded with 2 grams of diamond. How many carbon atoms are present?
#3. Which of the following pairs of gasses contain same number of molecules?
#4. What volume of oxygen is required for the complete combustion of a mixture of 15 cm3 of CH4 and 5 cm3 of C2H4?
#5. The volume occupied by 1.6 grams of O2 at STP is:
#6. The mass in grams of 2.5 moles of X molecules having molar mass 80 g/mol is:
#7. One of the reactant is taken limiting because of :
#8. The number of oxygen atoms in 32gm of SO2 are:
#9. Stoichiometric calculations cannot be applied to reversible reactions because:
#10. 0.5 moles of methane and 0.5 moles of ammonia gas have equal:
#11. 180 g of glucose contains number of hydrogen atoms:
#12. The number of formula units in 58.5 g of NaCl is:
#13. Which of the following set of ions is iso electronic?
#14. Find the mass of same number of atoms of potassium as are present in 11.5g of sodium:
#15. When 10gm H2 is treated with 64 gms of O2 then the amount of water formed is:
#16. 0.1 kg of CaCO3 decomposed to produce CO2 which occupies the volume
#17. The largest number of molecules are present in:
#18. A reaction has theoretical yield of 200g. If it has 25% yield then its actual yield will be :
#19. 0.25 moles of Na3PO4 completely dissociates in water to produce total ions:
#20. 27 g of Al will react completely with how much mass of O2, to produce Al2O3:
#21. How many oxygen atoms are present in 32 grams of SO2?
#22. Fractional atomic masses is due to the number of possible isotopes and their:
#23. In the given equation CH4 + 2O2 → CO2 + 2H2O when 16 gm of CH4 is burned with 32 gm of O2 then:
#24. The volume occupied by 1.4 g of N2 at S.T.P is:
#25. A limiting reactant is the one which:
#26. The number of molecules in one gram molecule of CO2 is:
#27. The mass of one mole of electrons is:
#28. The number of moles of CO2 which contain 8.0 g of oxygen:
Results
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