Options:
- A. 4.8
- B. 5.2
- C. 8.8
- D. 8.4
View Answer
D. 8.4
Chemistry
The reaction of Lucas reagent is the fastest with_________?
Options:
- A. (CH3)2CHOH
- B. CH3(CH2)OH
- C. CH3CH2OH
- D.
View Answer
D.
The structure of H2O2 is_______?
Options:
- A. Planar
- B. Non- polar
- C. Spherical
- D. Linear
View Answer
B. Non- polar
If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?
Options:
- A. C2H2O4
- B. CH2
- C. CH2O
- D. CHO2
View Answer
D. CHO2
Which of the following element has the maximum electron affinity_____?
Options:
- A. Cl
- B. Br
- C. I
- D. F
View Answer
A. Cl
Noble gases are so called zero group because they have:_________?
Options:
- A. Zero Valency
- B. Zero Electronegativity
- C. Zero Electron Affinity
- D. Both A and B
View Answer
D. Both A and B
The type of hybridisation of boron in diborane is______?
Options:
- A. Sp- hybridisation
- B. Sp2- hybridisation
- C. Sp3- hybridisation
- D. Sp3d2- hybridisation
View Answer
A. Sp- hybridisation
Which of the following shows electrical conduction_____?
Options:
- A. Potassium
- B. Graphite
- C. Diamond
- D. Sodium
View Answer
B. Graphite
Cassiterite is an ore of_______?
Options:
- A. Mn
- B. Ni
- C. Sb
- D. Sn
View Answer
D. Sn
Percentage of lead in lead pencil is________?
Options:
- A. Zero
- B. 20
- C. 80
- D. 70
View Answer
A. Zero