Q: Q: What is the hardest of all minerals? Choices: - titanium - gold - platinum - diamonds A:
A: diamonds

Q: Q: Are zeroes that show only where the decimal point fall significant or not significant? Choices: - neither - sometimes significant - significant - not significant A:
A: not significant

Q: Q: What science is the study of matter and the changes it undergoes? Choices: - biology - geology - astronomy - chemistry A:
A: chemistry

Q: Q: A solution is what type of mixture, where the dissolved particles are spread evenly through the mixture? Choices: - saline - gaseous - heterogeneous - homogeneous A:
A: homogeneous