yangi lab oratoriya 7 sing kimyo
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About "yangi lab oratoriya 7 sing kimyo"
toshkent viloyat angren shahar №____ maktab 7“ ” sinf o`quvchisi ______________________________ning kimyo fanidan laboratoriya ishi daftari fan o`qituvchisi : mavzu: modda va uning xossalari 1-laboratoriya ishi: fizik xossalari turlicha bo'lgan moddala namunalaribilan tanishish. maqsad: o'quvchilarni moddalarning oddiy sharoitlarda fizik xossalarini aniqlashga va tavsiflashga o'rgatish. jihozlar: polipropilen stakan 150 ml (1), shisha stakan (2), polipropilen stakan 50ml (3), yuvgich (4), pipetka (5), tomchi analizi uchun to'plam (6), bug'latish kosachasi (7) plastik taglik (8), shisha tayoqcha (9), plasmassa shpatel (10), tomchi analizi uchun planshe (11), elektron tarozi. reaktivlar: alyuminiy granulalari, mis granulalari, mis (ii) sulfat, natriy xlorid (osh tuzi), saxaroza, natriy gidro...
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