Which of the following elements is most likely ductile at room temperature? A. Sulfur C. Nitrogen B. Mercury D. Aluminum
An element was subjected into flame and the acidity of the oxide formed was tested. Solution of this oxide turned red litmus paper to blue. Which is most likely that element? A. Chlorine B. Nickel C. Phosphorus D. Silicon
Which of the following mixtures can be separated by distillation? a, alcohol in water b. flour dissolved in water c. oil in coconut milk d. salt in patis
Which of the following is a heterogeneous mixture? a. soft drink b. milk c. fruit salad d. alcohol
