Latihan Soal Penggunaan Bahan Kimia Dalam Rumah Tangga Kelas 8

Explanation
Pupuk ZA mengandung unsur hara belerang dan nitrogen. Belerang (sulfur) dan nitrogen (nitrogen) merupakan dua unsur penting dalam pupuk yang berperan dalam pertumbuhan dan perkembangan tanaman. Belerang diperlukan untuk sintesis protein dan asam amino, sedangkan nitrogen penting untuk pembentukan klorofil dan pertumbuhan daun. Kehadiran kedua unsur ini dalam pupuk ZA memastikan bahwa tanaman mendapatkan nutrisi yang diperlukan untuk pertumbuhan yang sehat.

Explanation
Rodenticides are chemicals used specifically for the purpose of controlling or eliminating rodent populations, including rats and mice. These chemicals are designed to be toxic to rodents and are typically used in areas where these pests are a problem, such as in agricultural settings, households, or commercial buildings. Rodenticides work by either causing internal bleeding, disrupting the rodents' nervous system, or preventing blood clotting, ultimately leading to their death. Therefore, rodenticides are the correct answer for the given question about chemicals used to control rat pests.

Explanation
The correct answer is "untuk menghilangkan rasa nyeri hebat" which translates to "to relieve severe pain". This answer is supported by the term "Analgesika" which refers to painkillers or analgesics. These medications are commonly used in the field of healthcare to alleviate intense pain experienced by patients.

Explanation
Barbiturat adalah turunan dari asam barbiturat yang berfungsi sebagai obat penenang.

Explanation
MSG (Monosodium Glutamate) is a chemical compound commonly used as an artificial flavor enhancer in food. It is known for its ability to enhance the savory taste of food, commonly referred to as umami. MSG is widely used in processed foods, snacks, and restaurant dishes to improve the overall taste and palatability of the food. It is a popular ingredient in many cuisines, particularly in Asian cooking.

Explanation
Gula tebu merupakan bahan kimia alami karena berasal dari tanaman tebu yang mengalami proses pengolahan alami untuk menghasilkan gula. Detergen, parfum, dan sakarin merupakan bahan kimia buatan yang dihasilkan melalui proses sintesis atau rekayasa manusia.

Explanation
Herbisida adalah pestisida yang digunakan untuk membasmi rumput yang menutupi areal perkebunan. Pestisida ini dirancang khusus untuk mengendalikan pertumbuhan dan penyebaran rumput yang tidak diinginkan di area pertanian atau perkebunan.