For example, nitrogen can be a fertilizer, but it can stunt plant growth when nitrogen comes out of the air in acid form.
举例来说,氮可以用作化肥,但其一旦以酸的形式离开大气,就会阻碍植物生长。
The metal ion and the anion of the mineral acid form an insoluble salt.
金属离子和无机酸的阴离子生成一种难溶的盐。
The metal ion and the an ion of the mineral acid form an insoluble salt.
金属离子和无机酸的阴离子生成一种难溶的盐。
The metal ion and the an ion of the mineral acid form an insoluble salt.
金属离子和无机酸的阴离子生成一种难溶的盐。
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