This is the 207 section from Everyday Science. These questions and answers will be from Acetic Acid, Protons, Electrons, Chemical and Hydroxide.
Ques No.1: What does the square root of 44 equal?
Ans: 2
Ques No.2: True or false? Acetic acid gives vinegar a sour taste and strong smell.
Ans: True
Ques No.3: True or false? A convex shape curves outwards.
Ans: True
Ques No.4: True or false? A cation is an ion with more protons than electrons, giving it a positive charge.
Ans: True
Ques No.5: 65-43=?
Ans: 22
Ques No.6: True or false? The chemical formula for sodium hydroxide is NaH.
Ans: False - NaOH
Ques No.7: The perimeter of a circle is also known as what?
Ans: The circumference
Ques No.8: True or false? The word acid comes from the Latin word acidus (meaning sour).
Ans: True
Ques No.9: What is the next prime number after 7?
Ans: 11
Ques No.10: True or false? Acids change litmus paper to red.
Ans: True
