Cevaplı Hemşirelik giriş sınavları için kimya çalışma kâğıdı

Sodyum ve potasyum hangi gruba aittir?

1. AHalojenler (17. grup)
2. BToprak alkali metaller (2. grup)
3. CAlkali metaller (1. grup)
4. DSoy gazlar (18. grup)

Which acid is found in the stomach?

1. ASulfuric acid
2. BNitric acid
3. CAcetic acid
4. DHydrochloric acid

Bir atomda hangi parçacığın yükü pozitiftir?

1. AElektron
2. BFoton
3. CNötron
4. DProton

What is the conjugate base of nitric acid, HNO₃?

1. ANO₂⁻
2. BNO₃⁻
3. CHNO₂
4. DH₂NO₃⁺

Why does the vapour pressure of a liquid increase as it is heated?

1. AThe attractions between the molecules become stronger
2. BThe liquid's volume decreases and squeezes out vapour
3. CMore molecules have enough energy to escape into the gas phase
4. DThe molecules become heavier and press harder on the surface

What is the shape of a water molecule?

1. AFlat triangle
2. BLinear
3. CTetrahedral
4. DBent

Which approach best reduces a health worker's exposure to ionising radiation?

1. AStand closer to the source so the job is finished sooner and exposure is shorter
2. BRely only on wearing gloves
3. CLimit the time near the source, increase the distance and use shielding
4. DWork faster without any shielding

__Fe + __O₂ → __Fe₂O₃ denklemini en küçük tam sayılarla denkleştirin. Katsayılar nelerdir?

1. A2, 1, 1
2. B4, 3, 4
3. C2, 3, 1
4. D4, 3, 2