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प्रश्न
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Rineryfe is a place where various fractions of petroleum are separated.
उत्तर
Refinery is a place where various fractions of petroleum are separated.
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संबंधित प्रश्न
\[\ce{CO}\] is an ______ compound.
\[\ce{CHO}\] is the functional group of an ______.
But-1-ene and but-2-ene are examples of ______ isomerism.
What is the substitution reaction?
The molecules of alkene family are represented by a general formula CnH2n.
Answer the following:
(i) What do n and 2n signify?
(ii) What is the name of alkene when n=4?
(iii) What is the molecular formula of the alkene, if there are six
hydrogen atoms in it?
(iv) Write the molecular and structural formula of the first member of
alkene family.
(v) Write the molecular formulae of lower and higher homologues of
an alkene which contains four carbon atoms.
Give balanced chemical equation to prepare the following salt :
Copper chloride using copper carbonate
Amorphous forms of carbon and graphite are almost ______ in colour.
Graphene has a thickness of just ______ atom.
Carbon’s amorphous forms have high melting and boiling poult compared to crystalline forms.
Why do elements show allotropy?
