Maharashtra State Board Books

1. Choose the correct option. Question A.Identify nuclear fusion reaction Answer:Among the given options, reactions (i) and (ii) represent nuclear fusion reactions wherein lighter nuclei combine to form a heavy nucleus. Question B.The missing particle from the nuclear reaction isAnswer:(A)  Question C. decays with half-life of 5.27 years to produce . What is the decay constant for…

1. Answer the following : Question A.Write condensed formulae and bond line formulae for the following structures. Answer: Question B.Write dash formulae for the following bond line formulae.Answer: Question C.Write bond-line formulae and condensed formulae for the following compoundsa. 3-methyloctaneb. hept-2-enec. 2, 2, 4, 4- tetramethylpentaned. octa-1,4-dienee. methoxy ethaneAnswer: Question D.Write the structural formulae for…

1. Choose the correct option Question A.Oxidative Rancidity is …………….. reactiona. additionb. substitutionc. Free radicald. combinationAnswer:c. Free radical Question B.Saponification is carried out by ……………..a. oxidationb. alkaline hydrolysisc. polymerisationd. Free radical formationAnswer:b. alkaline hydrolysis Question C.Aspirin is chemically named as ……………..a. Salicylic acidb. acetyl salicylic acidc. chloroxylenold. thymolAnswer:b. acetyl salicylic acid Question D.Find odd one…

1. Choose correct options Question A.Which of the following compound has the highest boiling point?a. n-pentaneb. iso-butanec. butaned. neopentaneAnswer:a. n-pentane Question B.Acidic hydrogen is present in :a. acetyleneb. ethanec. ethylened. dimethyl acetyleneAnswer:a. acetylene Question C.Identify ‘A’ in the following reaction: a. KMnO4/H+b. alkaline KMnO4c. dil. H2SO4/1% HgSO4d. NaOH/H2O2Answer:a. KMnO4/H+ Question D.Major product of chlorination of…