HSC Science (Computer Science) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions for Chemistry

Choose the most correct option.

The prefix 'nano' comes from ____________.

Answer the following

Which nanomaterial is used for tyres of the car to increase the life of tyres?

Answer the following

Name the scientist who discovered a scanning tunneling microscope (STM) in 1980.

Answer the following

Give the full form (long form) of the name for following instrument.

XRD

Answer the following

Give the full form (long form) of the name for the following instrument.

TEM

Answer the following

Give the full form (long form) of the name for the following instrument.

STM

Answer the following

Give the full form (long form) of the name for the following instrument.

FTIR

Answer the following

Give the full form (long form) of the name for the following instrument.

SEM

Answer the following in one sentence :

Classify the following buffers into different types :

NH₄OH + NH₄Cl

Answer the following in one sentence :

Classify the following buffers into different types :

Sodium benzoate + benzoic acid

Answer the following in one sentence :

Classify the following buffers into different types :

Cu(OH)₂ + CuCl₂

Write the IUPAC name of the following.

Write the major product of the following reaction.

Write IUPAC name of the product ‘B’ in the following reaction sequence.

\[\ce{C2H5OH ->[NaBr/H2SO4][\Delta] A ->[Nal][acetone]B}\]

Explain with diagram, the vacancy defect.

How are the following conversions carried out?

propene to 1-iodopropane

How are nonstoichiometric point defects classified? Explain with diagram the metal deficiency defect.

How are the following conversions carried out?

propene to 2-nitropropane

How are the following conversions carried out?

benzene to biphenyl

Write chemical equations indicating the action of following on bromobenzene.

CH₃COCl/anhy. AlCl₃