百度试题 结果1 题目58、 莫尔法用AgNO3标准溶液滴定NaCl时,所用指示剂为() A 、 KSCN B、 K2Cr207 C、 K2CrO4 D、 铁铵矾 相关知识点: 试题来源: 解析 正确答案:C 反馈 收藏
The experimental culture medium used in this study was washed with sand. The sand was autoclaved to remove microbial agents.S. marianumseeds (Sari genotype) were surface-sterilized with 5% sodium hypochlorite for 10 min and then washed twice with double-distilled water. Five seeds were sown in ...