0. An organic compound A of molecular formula C3H8O is treated with 85% phosphoric acid at 170oC to give B which on ozonolysis, followed by hydrolysis with lithium aluminium hydride gave rise to a set of products. Predict the correct set of products from the following a) acetaldehyde and formaldehyde b) ethanol and methanol c) acetic acid and formic acid d) ethanol and formaldehyde

in a physics laboratory a block x is balanced by a block Y of mass 200 kg,each are suspended from a balance of equal lever arms .the scale pan on X is at a height.H1=2 cm ,where as scale pan on Y is at height 1 cm above the floor.the error in weighing is (in gram)

consider the figure of a single riveted lap joint as follows

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cyclic heat engine operates between. temperature of 30 C. What is the least rate of heat rejection per kW net output of an engine. source temperature of 800 C and sink

 

 

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