小明在探究石蜡和冰的熔化规律时,记录的实验数据如下表所示.请根据表中的实验数据解答下列问题:
| 时间/min | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 石蜡的温度/℃ | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 52 | 55 | 58 | 61 | 63 |
| 冰的温度/℃ | -4 | -3 | -2 | -1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 4 |
(2)该晶体的熔点是________℃;
(3)当该晶体的温度为3℃时,它处于________态.(选填“固”或“液”)
| 时间/min | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 石蜡的温度/℃ | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 52 | 55 | 58 | 61 | 63 |
| 冰的温度/℃ | -4 | -3 | -2 | -1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 4 |