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प्रश्न
A diamond-toothed saw is usually used for cutting:
(a) steel girders
(b) logs of wood
(c) marble slabs
(d) asbestos sheets
उत्तर
marble slabs
A diamond-toothed saw is usually used for cutting marble slabs.
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संबंधित प्रश्न
Define the term ‘structural’ isomerism'.
Write the number of covalent bonds in the molecule of propane, C3H8.
Give the name and structural formula of one member each of the following:
alkyne
The pair of elements which exhibits the property of catenation is:
You are given the following molecular formulae of some hydrocarbons:
C5H8; C7H14; C6H6; C5H10; C7H12; C6H12
Which three formulae represent open chain unsaturated hydrocarbons having double bonds?
Name the functional group which always occurs in the middle of a carbon chain.
Intake of small quantity of methanol can be lethal. Comment.
Write general formula for alkynes.
Write the chemical equation for the following:
Hydrogenation of ethene
Draw the structure of propanone.
