Question: Phosphoric acid is a weak acid and its basicity is____________________?

• 1. 1
• 2. 3
• 3. zero
• 4. 2

Question: All the elements in group VIA are ___________________ in nature?

• 1. hygroscopic
• 2. metals
• 3. polymeric
• 4. all of above

Question: Which allotropic form of phosphorous is the most stable ?

• 1. White
• 2. black
• 3. red
• 4. Violet

Question: Which of the following is more acidic in nature?

• 1. Benzene
• 2. Phenol
• 3. p-nitrobenzene
• 4. Cresol

Question: Which of the following is more acidic in nature?

• 1. Benzene
• 2. Phenol
• 3. Cresol
• 4. Aniline

Question: Universe is almost 70% made up of __________?

• 1. Helium
• 2. Hydrogen
• 3. Chlorine
• 4. Carbon

Question: diamond got brilliance due to following reason?

• 1. reflection
• 2. refraction
• 3. dispersion
• 4. all  of the above

Question: Aldehydes and ketones both, show the type of Isomerism is __________?

• 1. chain Isomerism
• 2. Functional Group Isomerism
• 3. Metamerism
• 4. Position Isomerism

Question: The quality of petrol is improved by ____________?

• 1. Cracking
• 2. Reforming
• 3. Refining
• 4. Hydration

Question: A process in which large molecules are broken up into into smaller molecules is called as_____.

• 1. Reforming
• 2. Cracking
• 3. Refining
• 4. Isomerization