Options:
- A. Nature of reactants
- B. Nature of crucible
- C. Nature of product
- D. Nature of precipitate
View Answer
D. Nature of precipitate
Chemistry
Empirical formula of chloroform is____________________?
Options:
- A. CH2 C12
- B. CH3C1
- C. CC14
- D. CHCL3
View Answer
D. CHCL3
For which of the following compounds the term empirical formula cannot be applied ?
Options:
- A. NaCl
- B. H2O
- C. CCI4
- D. It can be applied to all mentioned above
View Answer
D. It can be applied to all mentioned above
Isotopes differ in_________________?
Options:
- A. properties which depend upon mass
- B. arrangement of electrons in orbitals
- C. chemical properties
- D. all of the above
View Answer
A. properties which depend upon mass
When methl iodide and ethyl iodide are treated with sodium metal possible major products are obtained ?
Options:
- A. 1
- B. 2
- C. 3
- D. 4
View Answer
C. 3
Which of the following is the formula of chrome red ?
Options:
- A. Pb3 O4
- B. 2Pb CO3
- C. Pb Cr O4
- D. Pb2O
View Answer
A. Pb3 O4
Which of the following molecule is polar__________________?
Options:
- A. CCI4
- B. CO2
- C. BF3
- D. none of the above
View Answer
D. none of the above
A method of separation of components from its solution using Distribution law is ___________________?
Options:
- A. Sublimation
- B. Crystallisation
- C. Solvent extraction
- D. Distillation
View Answer
C. Solvent extraction
Molecular mass of water (18g) means__________________?
Options:
- A. 1-mole molecules of water
- B. 1-gram molecule of water
- C. 3-gram atoms
- D. all
View Answer
D. all
The properties of an element mosly corresponds to that isotope which has greater_________________?
Options:
- A. Mass number
- B. Atomic mass
- C. Relative abundance
- D. all of the above
View Answer
C. Relative abundance