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📚NCERT Questions — CBSE12

275 solved questions with detailed explanations

Exams

All ExamsCBSE11(591)CBSE10(499)CBSE12(275)NCERT11(210)NCERT10(100)
251

What is the primary health concern associated with exposure to dichloromethane (methylene chloride)?

CBSE12
252

What are the two main types of nucleic acids?

CBSE12
253

What is the common name for C6H5NH2?

CBSE12
254

The enzyme that catalyzes the hydrolysis of maltose into glucose is named:

CBSE12
255

Which of the following alkyl halides will react most rapidly in an SN2 reaction?

CBSE12
256

Why are haloalkanes only slightly soluble in water but readily soluble in organic solvents?

CBSE12
257

Which of the following compounds is most reactive towards nucleophilic addition reactions?

CBSE12
258

What is formed when benzenediazonium chloride is treated with fluoroboric acid, followed by heating?

CBSE12
259

Enzymes are biological catalysts that primarily function to:

CBSE12
260

A unit formed by the attachment of a base to the 1' position of sugar is known as a:

CBSE12
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