-
mnsoomro
Posts
Which of the following is not characteristics of reversible reaction__________________?
A. whole amount of reactant does not change into product B. chemical equilibrium is established C. a catalyst changes the…
Which of the following theories is superior to others__________________?
A. VSEPR B. VBT C. MOT D. none of the above Submitted by :- Jamil Ahmed
Which of the solid does not contain covalent bond__________________?
A. copper B. ice C. diamond D. graphite Submitted by :- Jamil Ahmed
The hardest of the following solids is__________________?
A. sodium B. diamond C. graphite D. magnesium Submitted by :- Jamil Ahmed
Which of the following is mineral fiber ?
A. Teflon B. asbestos C. saran D. acrylic Submitted by :- Jamil Ahmed
Which statement is consistent with Hunds rule ?
A. Electrons fill orbitals with parallel spins until all the orbitals of the same energy are half filled then they…
The inhaled breath of diabetics patient contain acetone. A medical student wishes to test for diabetes by asking patient to bubble their breath through a reagent ?
A. alkaline aqueous iodine B. aqueous bromine C. Fehling solution D. aqueous NaOH Submitted by :- Jamil Ahmed
Regular coiling or zigzagging of polypeptide through hydrogen bonding is its___________________?
A. Quantum structure B. Secondary structure C. Tertiary structure D. Primary structure Submitted by :- Jamil Ahmed
Which of the following is the formula of chrome red ?
A. Pb3 O4 B. 2Pb CO3 – Pb (OH)2 C. Pb Cr O4 – Pb (OH)2 D. Pb2O Submitted by…
Across short period the melting and boiling point increase upto __________________?
A. IIIA group B. IVA group C. VA group D. VIA group Submitted by :- Jamil Ahmed