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In which state are most metals at room temperature?

1. ASolid
2. BLiquid
3. CPlasma
4. DGas

Which state of matter has neither a fixed shape nor a fixed volume?

1. AGas
2. BCrystal
3. CSolid
4. DLiquid

Sebuah larutan memiliki pH 3. Bagaimana larutan itu disebut?

1. ANetral
2. BBasa
3. CJenuh
4. DAsam

How can you get solid salt back from salt water?

1. AFreeze the solution and lift out the salt
2. BFilter the solution
3. CUse a magnet
4. DEvaporate the water

Pada reaksi 2H₂ + O₂ → 2H₂O, berapa mol air yang terbentuk dari 3 mol oksigen?

1. A3 mol
2. B2 mol
3. C6 mol
4. D1,5 mol

What is the formula of sodium sulfate, made from Na⁺ and SO₄²⁻ ions?

1. ANaSO₄
2. BNa₄SO₂
3. CNa(SO₄)₂
4. DNa₂SO₄

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

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

Berapa volume larutan induk 6 M yang diperlukan untuk membuat 300 mL larutan 2 M?

1. A100 mL
2. B150 mL
3. C900 mL
4. D50 mL