State which of the following statements are true and false

State which of the following statement are true or false: All combustion reactions are endothermic reactions

State which of the following statement are true or false: Mg_3N_2 + 6H_2O gives 3 Mg(OH)_2+ 2NH_3 is a balanced equation.

State which of the following statements are true and which are false : Every equilateral triangle is an isosceles triangle .

State which of the following statements are true and which are false : Every circle has unique centre and it lies inside the circle.

State which of the following statements are true and which are false : In a right angled triangle, the sum of two acute angles is 90^(@)

State which of the following statements are true and which are false : Diameter is the longest chord of the circle.

State which of the following statements are true and which are false: A regular quadrilateral has four lines of symmetry.

State which of the following statements are true and which are false ? Give reasons for your choice. the degree of a constant term is zero.

State which of the following statements are true and which are false ? Give reasons for your choice. the degree of a constant term is zero.

State which of the following statements are true and which are false ? Give reasons for your choice. the degree of a constant term is zero.