II. Classify the following substances as ELEMENT, COMPOUND or MIXTURE. 66. Rust 67. Salt 68. Calcium 69. Muriatic Acid 70. Magnesium 71. Sugar solution 72. Lead 73. Cobalt 74. Air 75.Carbon dioxide 76. Water 77. Silver 78. Halo-halo 79. Copper 80. Soil
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ANSWER:
66. Rust- COMPOUND
67. Salt- COMPOUND
68. Calcium- ELEMENT
69. Muriatic Acid- MIXTURE
70. Magnesium- ELEMENT
71. Sugar solution- MIXTURE
72. Lead- ELEMENT
73. Cobalt- ELEMENT
74. Air- COMPOUND
75.Carbon dioxide- ELEMENT
76. Water- COMPOUND
77. Silver- ELEMENT
78. Halo-Halo- MIXTURE
79. Copper- ELEMENT
80. Soil- COMPOUND
67.Compound
68.Element
69.Mixture
70.Element
71.Mixture
72.Element
73.Element
74.Mixture
75.Compound
76.Compound
77.Element
78.Mixture
79.Element
80.Mixture