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Answer:
Explanation:
2 Na+ 2 H2O → 2 NaOH + 1 H2
You would know that the variable is quantitative if it shows any number to express the quantity. For example, quantitative variables are 50°C, 5 atm, 2 moles, 100 L and so on. A variable is qualitative if it expresses a relative quantity but not expressing a number. Examples would be: few, too hot, several, or even describing the characteristics of a variable. Hence, when the variable is in grams, then that would be quantitative.
Answer:any substance which may be harmful to the environment or hazardous to your health if inhaled, ingested or absorbed through the skin.
Explanation: