The main buffer system of the human blood is____________?
A. H2CO3 – HCO3
B. H2CO3 – CO32-
C. CH3COOH – CH3COO–
D. NH2CONH2 – NH2CONH+
Submitted by :- Jamil Ahmed
A. H2CO3 – HCO3
B. H2CO3 – CO32-
C. CH3COOH – CH3COO–
D. NH2CONH2 – NH2CONH+
Submitted by :- Jamil Ahmed
A) Turmeric on filter paper | B) Silica gel coated with silver nitrate |
C) potassium permanganate-sulphuric acid | D) Potassium dichromatic-sulphuric acid |
Submitted by :- Muhammad Nawaz
A. Dalton’s law
B. Gay Lussac’s law
C. Henry’s law
D. Raoult’s law
Submitted by :- Jamil Ahmed
A. smelting
B. roasting
C. calcinations
D. froth floatation
Submitted by :- Jamil Ahmed
A) 2Mg + O2 —-> 2MgO | B) 2Mg + O —-> 2MgO |
C) 2Mg + O —-> MgO2 | D) 2Mg + O2 —-> MgO2 |
Submitted by :- Muhammad Nawaz
A. Carbon=0, Oxygen=0
B. Carbon= +1, Oxygen= -1
C. Carbon= -1, Oxygen= +1
D. Carbon=, Oxygen= -1
Submitted by :- Jamil Ahmed
A. Water
B. Hexane
C. Dimethylflormamide (DMF)
D. Ethanol
Submitted by :- Jamil Ahmed
A. Electrophilic addition
B. Electrophilic substitution
C. Nucleophilic addition
D. Necleophilic substitution
Submitted by :- Jamil Ahmed