In preparation of alkene from alcohol using Al₂O₃ which is an effective factor
Options
(a) Porosity of Al₂O₃ (b) temperature (c) concentration (d) surface area of Al₂O₃
Correct Answer:
Porosity of Al₂O₃
Explanation: […]
A mixture containing benzene and chlorobenzene is seperated by
Options
(a) crystallization (b) sublimation (c) distillation (d) separating funnel
Correct Answer:
distillation
Explanation:
No explanation available. Be the first to write the explanation […]
The controlling centre of cell is
Options
(a) mitochondria (b) nucleus (c) ribosomes (d) nucleolus
Correct Answer:
nucleus
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Chromosome theory states that
Options
(a) genes are located on chromosome (b) chromosome is made up of DNA (c) chromosome is made up of RNA (d) all of the above
Correct Answer:
genes […]
Osmotic pressure can be increased by
Options
(a) increasing volume (b) increasing temperature (c) decreasing temperature (d) none of these
Correct Answer:
increasing temperature
Explanation:
No explanation available. Be the first to write […]
Milk is an emulsion of
Options
(a) fat dispersed in milk (b) fat dispersed in water (c) water dispersed in oil (d) water dispersed in fat
Correct Answer:
fat dispersed in water
Chloroform,on warming with Ag power,gives
Options
(a) C₂H₂ (b) C₆H₆ (c) C₂H₄ (d) none of these
Correct Answer:
C₂H₂
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Which of the following is used in refrigerant
Options
(a) SiC (b) CO₂ (c) CF₂Cl₂ (d) CHCl₃
Correct Answer:
CF₂Cl₂
Explanation:
No explanation available. Be the first to write the explanation for this […]
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