MCQ
What is the mass number of 17C135 ?
- A21
- B25
- C39
- D35
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The density of water is 1000kg/m3 and the density of copper is 8900kg/m3. Which of the following statements is incorrect?
$=\frac{\text{The density of a certain volume of copper}}{\text{The density of the same volume of water}}=8.9$
$=\frac{\text{The volume of a certain mass of copper}}{\text{The volume of the same mass of water}}=8.9$
$=\frac{\text{The weight of a certain volume of copper}}{\text{The weight of the same volume of water}}=8.9$
$=\frac{\text{The mass of a certain volume of copper}}{\text{The mass of the same volume of water}}=8.9$
$^{201}_{\ 60}\text{X}$
$^{201}_{\ 61}\text{X}$
$^{200}_{\ 58}\text{X}$
$^{203}_{\ 60}\text{X}$
Which of the following is micronutrient?
Which one of the following nutrients is not available in fertilizers?