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HSC Science (Computer Science) इयत्ता १२ वी - Maharashtra State Board Important Questions

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Which flower is an example of self-cleaning?

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Applications of Nanomaterials

Name the catalyst used to manufacture H2SO4 by contact process.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Characteristic Features of Nanoparticles

Which principle of green chemistry has its perspective towards carrying out reactions at room temperature and pressure?

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Principles of Green Chemistry

Define atom economy.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Principles of Green Chemistry

Complete and write the following table

Reaction Name of catalyst
i) Manufacture of HDPE polymer ________________
ii) _______________ V2O5
Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Characteristic Features of Nanoparticles

State disadvantages of nanoparticles and nanotechnology.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Nanoparticles and Nanotechnology

The name of metal nanoparticle which acts as highly effective bacterial disinfectant in water purification process is ______.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Applications of Nanomaterials

Write two disadvantages of nanotechnology.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Nanoparticles and Nanotechnology

Write the name of the technique used to know geometry of nanoparticles.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Synthesis of Nanomaterials

Explain any two applications of nanomaterials.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Applications of Nanomaterials

Write the name of metal nanoparticle used to remove E.coli bacteria from water.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Applications of Nanomaterials

What is nano material? 

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Synthesis of Nanomaterials

Write the reaction involved in sol-gel process during hydrolysis.

Appears in 1 question paper
Chapter: [16] Green Chemistry and Nanochemistry
Concept: Synthesis of Nanomaterials

What is salvarsan?

(A) An antiseptic

(B) An antibiotic

(C) An antifertility drug

(D) An analgesic

Appears in 1 question paper
Chapter: [16.01] Chemicals in Medicines
Concept: Classification of Drugs

Explain trem Analgesics.

Appears in 1 question paper
Chapter: [16.01] Chemicals in Medicines
Concept: Classification of Drugs

Cisplatin compound is used in the treatment of _______.

(A) malaria

(B) cancer

(C) AIDS

(D) yellow fever

Appears in 1 question paper
Chapter: [16.01] Chemicals in Medicines
Concept: Classification of Drugs

What are ‘antacids’?

Appears in 1 question paper
Chapter: [16.01] Chemicals in Medicines
Concept: Classification of Drugs

Write any ‘two’ side effects of tranquilizers.

Appears in 1 question paper
Chapter: [16.01] Chemicals in Medicines
Concept: Classification of Drugs

Classify the following drugs into Analgesics and Antibiotics 

(1) Ofloxacin

(2) Morphine

(3) Ampicillin

(4) Chloramphenicol

Appears in 1 question paper
Chapter: [16.01] Chemicals in Medicines
Concept: Chemicals in Medicines >> Tranquilizers and Analgesics

An antifertility drug is -

(a) Novestrol

(b) Histamine

(c) Vernal

(d) Equanil

Appears in 1 question paper
Chapter: [16.01] Chemicals in Medicines
Concept: Chemicals in Medicines >> Antipyretic, Antimalarial and Antifertility
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