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Green chemistry is the design of chemical products and processes that reduce or eliminate the use and generation of hazardous substances. Identify the technique used in this area.

Green chemistry is the design of chemical products and processes that reduce or eliminate the use and generation of hazardous substances. Identify the technique used in this area. Correct Answer Use of sunlight and Microwave-assisted reaction

Photochemical reaction occurs when light energy gets absorbed by a substances’ molecule. It is a green route as no byproduct will be formed. Vitamin D3 synthesis is assisted by a photochemical reaction.

Related Questions

In the following figure, square represents the people who use the product of Colorbar, the triangle represents the people who use products of NYX, the circle represents people who use products of M.A.C., the rectangle represents people who use products of Maybelline and semi-circle represents the people who use the products of Lakme. Which set of letter(s) represents people who use products of M.A.C. and NYX only?
A junior college inducts students based on the following criteria — 1. Students who scored above 75% in Physics, 85% in Mathematics and 70% in Chemistry. 2. Students who scored at least 60% in English. 3. Students who are good in a sport or play a musical instrument or know a dance form. Which student among the following will the college definitely take? A. Shakti with 80% in Physics, 65% in Chemistry, 85% in Mathematics, 61% in English and plays veena. B. Megha secured 80% in Physics, 87% in Mathematics, 70% in English, 75% in Chemistry and is a singer. C. Sheela secured 78% in Physics, 71% in Chemistry, 87% in Mathematics, 75% in English knows Manipuri folk dance. D. Mallika secured 70% in Chemistry, 70% in Mathematics, 85% in Physics, 65% in English and plays basketball.
In the following figure, square represents the people who use the product of Colorbar, the triangle represents the people who use products of NYX, the circle represents people who use products of M.A.C., the rectangle represents people who use products of Maybelline and semi-circle represents the people who use the products of Lakme. Which set of letters represents people who use only products of Colorbar?
1. A Judicial Magistrate First Class can authorize the detention in custody, of a person accused of an offence triable by Special Court established under The Narcotic Drugs and Psychotropic Substances Act, 1985, for a period not exceeding fifteen years.
2. The Special Court established under The Narcotic Drugs and Psychotropic Substances Act, 1985, cannot exercise the power to authorize the detention of accused in custody, as enunciated under Section 167 of Code of Criminal Procedure.
3. The definition of 'use' under Section 2(xxviii-a) of The Narcotic Drugs and Psychotropic Substances Act, 1985, excludes personal consumption of narcotic drugs and psychotropic substances.
4. The High Court, by special order, may constitute as many Special Courts under The Narcotic Drugs and Psychotropic Substances Act, 1985, as necessary.
Which of the above statements are correct?
Consider the following aspects of substances involved in a chemical reaction: A. Physical state of all the substances  B. Number of molecules of all substances  C. Number of atoms of each substance D. Sum of masses of all atoms of substances  Which of the above remain the same before and after a chemical reaction has taken place? 
In the following figure, square represents the people who use the product of Colorbar, the triangle represents the people who use products of NYX, the circle represents people who use products of M.A.C., the rectangle represents people who use products of Maybelline and semi-circle represents the people who use the products of Lakme. Which set of letter(s) represents people who use more than one product?
In a survey of 25 students, it was found that 15 had taken Mathematics, 12 had taken Physics and 11 had taken Chemistry, 5 had taken Mathematics and Chemistry, 9 had taken Mathematics and Physics, 4 had taken Physics and Chemistry and 3 had taken all the three subjects. Find the number of students who had taken both Physics and Chemistry but not Mathematics.
A question is followed by 2 statements. Study the following statements carefully and state whether they are sufficient to answer the question. A student appears in an examination where his marks in biology is 20 marks more than what he got in Physics. Find his marks in biology? Statement I – Average marks of Physics and Chemistry is 71.5. The ratio of marks of Practical and Theory in Physics is 6 ∶ 5 and in chemistry, it is 15 ∶ 7. Statement II –Ratio of marks obtained in the theory exam of physics and chemistry is 1 ∶ 2. The ratio of marks of Physics and Chemistry is 5 ∶ 8.
In class of 105 students out of three subjects Maths, Physics, Chemistry each student studies at least one subject. In Maths 47, in Physics 50, and in Chemistry 52 students studies, 16 in Maths and Physics, 17 in Maths and Chemistry and 16 in Physics and Chemistry students both subjects. What will be the number of those students who study only two subjects?
In class of 105 students out of three subjects Maths, Physics, Chemistry each student studies at least one subject. In Maths 47, in Physics 50, and in Chemistry 52 students studies, 16 in Maths and Physics, 17 in Maths and Chemistry and 16 in Physics and Chemistry students both subjects. What will be the number of students who studies all three subjects?