Negative log of mular concentration of H+ ions is called___________________?
Negative log of mular concentration of H+ ions is called___________________?
A. pH
B. pOH
C. pKa
D. pKw
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E0red of an element cab be calculated by comparing it with _____________________?
E0red of an element cab be calculated by comparing it with _____________________?A. New electrode of same element
B. SHE
C. 1M solution of ions of respective element
D. 2M solution of HCIPercentage of lead in lead pencil is________?
Percentage of lead in lead pencil is________?A. Zero
B. 20
C. 80
D. 70Nitrates of which pair of elements give different products on thermal decomposition ?
Nitrates of which pair of elements give different products on thermal decomposition ?A. Na K
B. Mg Ca
C. Li Na
D. Li CaSharing of 1 electron pair by one specie forms_________________?
Sharing of 1 electron pair by one specie forms_________________?A. Single covalent bond
B. Hydrogen bond
C. Double covalent bond
D. Coordinate covalent bondNucleic acids direct the synthesis of__________________?
Nucleic acids direct the synthesis of__________________?A. Glucose
B. Triglycerides
C. Proteins
D. AllAlkyl halides undergo a type of reaction_________________?
Alkyl halides undergo a type of reaction_________________?A. Nucleophilic substitution
B. Nucleophilic addition
C. Elimination
D. both A & C