MCQ-16
According to equation
4NH3 +502 —> 4NO+6H2O
How many grams of H2O is formed from a mixture of 51g of NH3 and 48g of oxygen
A. 32.4g
B. 81g
C. 27g
D. 54g
Answer: A
MCQ-17
Value of 1 amu is equal to
A. 1.661×1027g
B. 1.661×1024g
C. 6.02×1023g
D. 1/6.02×1023g
Answer: D
MCQ-18
Combustion analysis is used to determine
A. %age composition
B. Empirical formula
C. Molecular formula
D. All of these
Answer: D
MCQ-19
How many moles of magnesium phosphate Mg3(PO4)2 will contain 0.25 moles of oxygen atoms
A. 1/16
B. 1/8
C. 1/48
D. 1/32
Answer: D
MCQ-20
Avogadro’s number is the number of molecules present in
A. 1g molecules
B. 1 kg molecules
C. 1dm³ molecules
D. 1 Litre of molecules
Answer: A
Amazing sir g…i need these mcqs in pdf plzz …. please share me in email these all mcqs of chemistry from fsc to BS PLZZZ SIR plzz
These MCQs are not available in pdf. Material is taken from different sources, students requested or from past papers and put on the website randomly without writing in pdf.
sir where are the lectures mcqs of other chapters of pmc chemistry explanation ?
Are you asking for discussion lectures?
Sir I am unable to find notes I want notes for macromolecules
NMDCAT notes are in the form of MCQs. https://umairkhanacademy.com/nmdcat-practice-test-notes-chapter-10/