【Learn Ethylene Together】Five questions per day to easily learn about ethylene 5
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【Learn Ethylene Together】Five questions per day to easily learn about ethylene 51 1. Oxygen is a flammable gas. 2. When the concentration of combustible substances in the air is below the lower explosion limit, they will neither burn nor explode when exposed to an open flame. 3. Generally, the viscosity of a liquid decreases as the temperature rises. 4. The solubility of gaseous substances generally decreases as temperature rises. 5. In elemental molecules, the valence of an element is zero. 1. Oxygen is a flammable gas. × 2. When the concentration of combustible substances in the air is below the lower explosion limit, they will neither burn nor explode when exposed to an open flame. √ 3. Generally, the viscosity of a liquid decreases as the temperature rises. √ 4. The solubility of gaseous substances generally decreases as temperature rises. √ 5. In elemental molecules, the valence of an element is zero. √
1. Oxygen is a flammable gas. 2. When the concentration of combustible substances in the air is below the lower explosion limit, they will neither burn nor explode when exposed to an open flame. 3. Generally, the viscosity of a liquid decreases as the temperature rises. 4. The solubility of gaseous substances generally decreases as temperature rises. 5. In elemental molecules, the valence of an element is zero. ×√√√√
1 wrong, 2 right, 3 right, 4 right, 5 right