Make 5 more sentences and check whether they are statements or not. Give reasons

Write the negation of the following statements and check whether the resulting statements are true, Australia is a continent.

Write the negation of the following statements and check whether the resulting statements are true, Every natural number is greater than 0.

Write the negation of the following statements and check whether the resulting statements are true, The sum of 3 and 4 is 9.

Write the negation of the following statements and check whether the resulting statements are true, There does not exist a quadrilateral which has all its sides equal.

Identify the type of ''Or'' used in the following statements and check whether the statements are true or false: A rectangle is a quadrilateral or a 5-sided polygon.

Identify the type of ''Or'' used in the following statements and check whether the statements are true or false: sqrt2 is a rational number or an irrational number

Find the component statements of the following and check whether they are true or not. sqrt2 is a rational number or an irrational number.

Find the component statements of the following compound statements and check whether they are true or false. All integers are positive or negative.

Write the component statements of the following compound statements and check whether the compound statement is true or false. A line is straight and extends indefinitely in both directions.

For each of the following compound statements, first identify the corresponding component statements. Then check whether the statements are true or not. If a and b are integers, then ab is a rational number.