A. Pb3 O4
B. 2Pb CO3 – Pb (OH)2
C. Pb Cr O4 – Pb (OH)2
D. Pb2O
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Related Mcqs:
- A compound is determined to have an emperical formula of C2H6O and a molar mass of 138 g/mole. What is the molecular formula?
A. C2H6O
B. C6H18O3
C. C6H12O6
D. C2H5OSubmitted by: Muhammad Ali Kunbhar
- A substance is analyzed and found to have an emperical formula of CH2 and a molar mass of 56g/mole. What is the molecular formula of the compound?
A. C2H4
B. C3H6
C. C4H8
D. C5H10Submitted by: Muhammad Ali Kunbhar
- For which of the following compounds the term empirical formula cannot be applied ?
A. NaCl
B. H2O
C. CCI4
D. It can be applied to all mentioned above - Which of the following compounds has the empirical formula CH2O and reacts with sodium hydroxide ?
A. carbonic acid
B. ethanol
C. acetic acid
D. methanoic acid - Empirical formula of chloroform is____________________?
A. CH2 C12
B. CH3C1
C. CC14
D. CHCL3 - The irritation caused by red ants bite is due to____________________?
A. Lactic acid
B. Formic acid
C. Uric acid
D. Acetic acid - If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________?
A. Annealing
B. Quenching
C. Tempering
D. NitridingSubmitted by: Muhammad Ali Kunbhar
- Formula of haloform is_________________?
A. HCOX
B. CX4
C. CHX3
D. CH3X - The formula of starch is__________________?
A. C12H22O11
B. C6H10O5
C. (C6H10O5)n
D. C6H12O6 - What is the formula of Silver nitrate?
A. AgNO
B. AgNO2
C. AgNO3
D. AgNO4Submitted by: Muhammad Kamal
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