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Johor Trial 2024 Chemistry Kertas 1 · Batu Pahat

Chemistry

Johor Trial 2024 Chemistry Kertas 1 · Batu Pahat

  • Johor 州试卷 Batu Pahat
  • 40 题
  • 附解析
1
Table 1 shows the proton number of elements P, Q, R and S. | Element | P | Q | R | S | |---|---|---|---|---| | Proton number | 7 | 8 | 17 | 15 | Which pair of elements has the same number of valence electrons?
2
Which diagram shows the weakest attraction between particles?
3
A patient has been diagnosed with cancer. Which isotope is used to treat cancer?
4
Which of the following gases contains 0.6 mol of atoms at room temperature and pressure? [Molar volume of gas = 24 dm³ mol⁻¹ at room conditions]
5
Diagram 1 shows the chemical formula of potassium hexacyanoferrate(II) trihydrate. $\text{K}_4\text{Fe(CN)}_6 \cdot 3\text{H}_2\text{O}$ What is the relative mass of this compound? [Relative atomic mass: H = 1, C = 12, O = 16, K = 39, Fe = 56, N = 14]
6
Diagram 2 shows an illustration of a conversation between atom P and atom Q. What is the type of chemical bond that will be formed between atom P and atom Q?
7
Diagram 3 shows the apparatus set-up to determine the empirical formula of a metal oxide. Which of the following metals uses the same method to determine its empirical formula?
8
Which of the following illustrations shows the formation of hydrogen bonds between molecules?
9
Which of the following particles are formed from a dative bond? I. $\text{H}_3\text{O}^+$ II. $\text{NH}_4^+$ III. $\text{NO}_3^-$ IV. $\text{CH}_3\text{COO}^-$
10
Diagram 4 shows the electron arrangement in compound JL. Which elements are represented by J and L? | | J | L | |---|---|---| | A | Lithium | Sulphur | | B | Lithium | Chlorine | | C | Beryllium | Oxygen | | D | Magnesium | Oxygen |
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