Leaving drinks like Sprite and Mountain Dew in the freezer for too long can have various effects, depending on the specific circumstances and the temperature of the freezer. Here are some possible outcomes:
Freezing and Expansion: Soft drinks are typically carbonated, which means they contain dissolved carbon dioxide (CO2) gas that creates the fizz when you open the bottle or can. When you place a carbonated drink in the freezer for an extended period, the liquid's temperature drops below freezing, causing the water molecules to form ice crystals. As water freezes, it expands, and this expansion can lead to the container (e.g., a bottle or can) cracking or bursting due to the increased pressure from the expanding ice. This is especially likely if the drink is left in a freezer for an extended period, or if it's stored in a glass or rigid container that cannot flex to accommodate the expansion.
Separation and Texture Changes: In addition to the freezing issue, the carbonation in the drink may cause the liquid to separate into different components. For example, some ingredients might settle at the bottom, and the texture of the drink can change, becoming slushy or syrupy. This separation may lead to an undesirable taste and texture when you try to consume the drink after it thaws.
Loss of Carbonation: If the drink doesn't freeze solid and only partially freezes, the CO2 gas may escape, leading to a loss of carbonation. As a result, the drink might become flat, lacking the characteristic fizz that makes it enjoyable to drink.
Weakened Container Integrity: Even if the container doesn't crack or burst due to freezing, it may become structurally compromised. Extreme cold temperatures can weaken some plastics or metals, leading to potential leaks or other issues when you remove the drink from the freezer.
To avoid these potential problems, it's best not to leave carbonated drinks in the freezer for an extended period. If you accidentally forget a drink in the freezer, it's essential to carefully remove it and allow it to thaw in the refrigerator or at room temperature. However, bear in mind that the taste and quality of the drink may be adversely affected even if the container doesn't show visible signs of damage. Therefore, it's generally better to avoid freezing carbonated drinks if you want to enjoy them at their best.