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Q.1 1. ઇથેન અણુનું આણ્વીય સૂત્ર $\text{C}_2\text{H}_6$ છે, તેમાં:
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Q.2 2. બ્યુટેનોન ચાર-કાર્બન ધરાવતું સંયોજન છે કે જેમાં ક્રિયાશીલ સમૂહ:
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Q.3 3. ખોરાક રાંધતી વખતે, જો વાસણના તળિયા બહારથી કાળા થઈ રહ્યા હોય, તો તેનો અર્થ એ છે કે: