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Cassiterite is an ore of_______?
A. Mn B. Ni C. Sb D. Sn Submitted by :- Jamil Ahmed
Which of the following shows electrical conduction_____?
A. Potassium B. Graphite C. Diamond D. Sodium Submitted by :- Jamil Ahmed
The type of hybridisation of boron in diborane is______?
A. Sp- hybridisation B. Sp2- hybridisation C. Sp3- hybridisation D. Sp3d2- hybridization Submitted by :- Jamil Ahmed
Which of the following element has the maximum electron affinity_____?
A. Cl B. Br C. I D. F Submitted by :- Jamil Ahmed
The structure of H2O2 is_______?
A. Planar B. Non- planar C. Spherical D. Linear Submitted by :- Jamil Ahmed
A 1 volume solution of H2O2 means_______?
A. 1 grams of H2O2 solution liberate 1 mL of O2 at STO B. 1 gram equivalents of H2O2 liberates…
Electronic Configuration of Calcium (Ca) atom may be written as________?
A. Ne, 4p2 B. Ar, 4s2 C. Ne, 4s2 D. Kr,4p2 Submitted by :- Jamil Ahmed
If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?
A. C2H2O4 B. CH2 C. CH2O D. CHO2 Submitted by :- Jamil Ahmed
The reaction of Lucas reagent is the fastest with_________?
A. (CH3)2CHOH B. CH3(CH2)OH C. CH3CH2OH D. (CH3)3COH Submitted by :- Jamil Ahmed
For the reaction 2HI ____________> H2+ I2
A. Kp > kc B. Kc > kp C. Kp= kc D. Kp ≤ kc Submitted by :- Jamil Ahmed