Consider the following statements:1) Hydrophobic cement grains possess the low wetting ability2) Rapid-hardening cement is useful in concreting under static, or running water3) Quick-setting cement helps the concrete to attain high strength in the initial period4) White cement is just a variety of ordinary cement-free of coloring oxides.Which of the above statements are correct?

Consider the following statements:1) Hydrophobic cement grains possess

1.	Consider the following statements:1) Hydrophobic cement grains possess the low wetting ability2) Rapid-hardening cement is useful in concreting under static, or running water3) Quick-setting cement helps the concrete to attain high strength in the initial period4) White cement is just a variety of ordinary cement-free of coloring oxides.Which of the above statements are correct?
A.	1 and 4 only
B.	1 and 3 only
C.	2 and 4 only
D.	2 and 3 only
Answer» B. 1 and 3 only