please give scientific reasons of following statements.
1: During a chemical reaction which produces a gas, the mass of the product is different from reactants if the beaker is not covered.
2: Acids have a low pH whereas alkalis have a high pH value.
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Explanation:
a project is a series of tasks that need to be completed to reach a specific outcome. A project can also be defined as a set of inputs and outputs required to achieve a particular goal. Projects can range from simple to complex and can be managed by one person or a hundred.
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