vodord olish

muallif: otabek mamashoyev telegram: @qarshiziyo_1 1. 98 g sulfat kislotadan foydalanib nechga litr vodorod olinadi? a) 22,4 b) 11,2 c) 33,6 d) 4,48 2. labaratoryada vodorod olish jarayonida 33,6 l gaz modda olingan bo’lsa sarflangan metalni toping (g) da. a) 65 b) 97,5 c) 130 d) 145 3. 147 g sulfat kislotadan foydalanib nechga litr vodorod olinadi? a) 22,4 b) 11,2 c) 33,6 d) 4,48 4. labaratoryada vodorod olish jarayonida 32,2 g tuz hosil bo’lgan bo’lsa shu jarayonda necha litr (n.sh) da gaz modda ajralgan? a) 22,4 b) 11,2 c) 33,6 d) 4,48 5. labaratoryada vodorod olish uchun 19,6 g sulfat kislota va 16,25 g metal olindi. reaksiyadan so’ng ortib qolgan moddani to’liq sarflash uchun yana necha gram ikkinchi moddadan …

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