3. Assertion : Crystalline solids have short range order. Reason : Amorphous solids have long range order
a. If both assertion and reason are true and the reason is the correct explanation of the assertion
b. If both assertion and reason are true but reason is not the correct explanation of the assertion
c. If assertion is true but reason is false
d. If the assertion and reason both are false
e. if assertion is false but reason is true.
Ans. d
Explanation : Crystalline solids have regular arrangement of constituent particles and are anisortropic whereas amorphous solids have no regular arrangement and are isotropic
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dm-3 sucrose solution at 20 ° C (molar gas constant, R = 8.314 JK -1 mol -1 ; 1 dm-3 = 0.001 m3 ) a. 4870 Pa b. 4.87 Pa c. 0.00487 Pa d. 0.33 Pa Ans. a (17)
