已知Si+2NaOH+H2O=Na2SiO3+2H2↑ 2Al+2NaOH+2H2O=2NaAl2+3H2↑,硅不与盐酸反应.将含铁铝硅的合金样品分为等质量的两份,分别与足量的稀盐酸和烧碱溶液充分反应,测得放出氢气的质量相同.则该合金样品中铁铝硅的质量比不可能是( )
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Shenzhen was not prepared for the heavy rains which caused deaths and disasters in May, 2014.