KUIZ SAINS F1

Apakah maksud unsur?
What is the meaning of an element?

• A) Bahan yang boleh diuraikan kepada bahan lebih ringkas / A substance that can be broken down into simpler substances

• B) Bahan yang terdiri daripada hanya satu jenis atom / A substance made up of only one type of atom

• C) Bahan yang terdiri daripada dua jenis atom / A substance made up of two types of atoms

• D) Gabungan dua atau lebih sebatian / A combination of two or more compounds

Unsur boleh dikelaskan kepada…
Elements can be classified into…

• A) Logam dan bukan logam / Metals and non-metals

• B) Unsur dan sebatian / Elements and compounds

• C) Pepejal dan cecair / Solids and liquids

• D) Campuran dan larutan / Mixtures and solutions

Apakah ciri utama logam?
What is the main characteristic of metals?

• A) Rapuh / Brittle

• B) Konduktor haba dan elektrik yang baik / Good conductor of heat and electricity

• C) Tidak berkilat / Not shiny

• D) Mudah pecah / Easily broken

Manakah contoh unsur bukan logam?
Which of the following is a non-metal element?

• A) Kuprum / Copper

• B) Besi / Iron

• C) Karbon / Carbon

• D) Aluminium

Campuran ialah…
A mixture is…

• A) Satu bahan tulen / A pure substance

• B) Gabungan dua atau lebih bahan tanpa tindak balas kimia / A combination of two or more substances without chemical reaction

• C) Hasil gabungan atom-atom melalui tindak balas kimia / A result of atoms combined chemically

• D) Satu jenis atom sahaja / Only one type of atom

Apakah contoh campuran homogen?
Which of the following is an example of a homogeneous mixture?

• A) Pasir dan air / Sand and water

• B) Minyak dan air / Oil and water

• C) Air garam / Salt solution

• D) Besi dan belerang / Iron and sulfur

Manakah contoh campuran heterogen?
Which of the following is a heterogeneous mixture?

• A) Udara / Air

• B) Air sirap / Syrup water

• C) Pasir dalam air / Sand in water

• D) Air garam / Salt solution

Apakah perbezaan utama antara unsur dan campuran?
What is the main difference between an element and a mixture?

• A) Unsur terdiri daripada atom berbeza, campuran terdiri daripada atom sama / Elements have different atoms, mixtures have the same atoms

• B) Unsur ialah bahan tulen, campuran bukan bahan tulen / Element is pure, mixture is not pure

• C) Unsur sentiasa pepejal, campuran sentiasa cecair / Elements are always solid, mixtures are always liquid

• D) Unsur terdiri daripada dua atom, campuran daripada satu atom / Elements have two atoms, mixtures have one atom

Mengapakah udara dikategorikan sebagai campuran?
Why is air categorized as a mixture?

• A) Terdiri daripada satu jenis gas / Made up of only one type of gas

• B) Terdiri daripada gabungan beberapa jenis gas / Made up of a combination of several gases

• C) Terdiri daripada satu jenis atom / Made up of only one type of atom

• D) Terdiri daripada sebatian tunggal / Made up of a single compound

Bagaimanakah kita boleh memisahkan campuran?
How can we separate a mixture?

• A) Melalui tindak balas kimia / Through chemical reaction

• B) Melalui penapisan / Through filtration

• C) Melalui penggabungan / Through combining

• D) Melalui penguraian / Through decomposition