उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए रसायन विज्ञान वर्कशीट

What is the normal pH range of human arterial blood?

1. A7.00 to 7.10
2. B6.35 to 6.45
3. C7.85 to 7.95
4. D7.35 to 7.45

Charles's law describes the relationship between which two properties of a gas, at constant pressure?

1. ADensity and mass
2. BPressure and number of moles
3. CPressure and volume
4. DVolume and temperature

Boyle's law describes the relationship between which two properties of a gas, at constant temperature?

1. AMass and volume
2. BPressure and temperature
3. CVolume and temperature
4. DPressure and volume

What is a polymer?

1. AA mixture of several different elements
2. BAn ion with more than one charge
3. CA large molecule built from many repeating smaller units called monomers
4. DA small molecule containing only two atoms of one element

What is the oxidation number of an element in its uncombined (elemental) form, such as Fe or O₂?

1. AIt equals the group number
2. B0
3. C−1
4. D+1

When a nucleus emits a beta particle, how do its mass number and atomic number change?

1. AMass number rises by 1 and atomic number stays the same
2. BMass number stays the same and atomic number rises by 1
3. CBoth fall by 1
4. DMass number falls by 4 and atomic number falls by 2

In the reaction NaCl(aq) + AgNO₃(aq) → AgCl(s) + NaNO₃(aq), which ions are spectator ions?

1. AAg⁺ and NO₃⁻
2. BNa⁺ and NO₃⁻
3. CAg⁺ and Cl⁻
4. DNa⁺ and Cl⁻

Glucose (C₆H₁₂O₆) and fructose (C₆H₁₂O₆) join by a condensation reaction to form sucrose. What is the formula of sucrose?

1. AC₁₂H₂₂O₁₁
2. BC₁₂H₂₄O₁₂
3. CC₁₂H₂₀O₁₀
4. DC₆H₁₂O₆