WorksheetsTEST 1 FORM 4
Total questions: 22
Worksheet time: 29mins
A compound is formed when element Y reacts with element Z. Which of the following is the correct physical property of the compound. (SBP 2020, Q21)
Highly volatile
high melting point
exist as liquid at room temperature
does not conduct electricity
Which of the following statements is correct about J and W
The electron arrangement of atom J is 2.6 while atom W is 2.8.1
Atom J has one valence electron while atom W has six valence electrons
Atom J accepts one electron while atom W releases two electrons during formation of bond
atom J contributes two electrons and atom W contributes one electron to form the compound
Which statement about the bonding in carbon dioxide molecule is not correct? [Proton number: C = 6, O = 8] (SPMRSM 2020, Q24)
Both carbon and oxygen atoms have achieved stable octet electron arrangement
Carbon atom shares its four electrons with one oxygen atom
Each oxygen atom shares two electrons with one carbon atom
Two double covalent bonds are formed
Which compound is formed by transferring electrons? (SPMRSM 2020, Q21)
Ammonia
Lithium oxide
Carbon monoxide
Hydrogen chloride
Which of the following are incorrect about the water molecule? (Melaka 2020, Q43)
Each hydrogen atom donates one valence electron.
Oxygen atom share two electrons with two hydrogen atoms
One single covalent bond is formed in the molecule.
Hydrogen atoms and oxygen atom achieved a stable octet electron arrangement.
Which of the following statements is (are) true about metallic bond?
the bond is formed between an electropositive element and an electronegative atom
the strength of the bond increases with the atomic size of the metal
the valence electron can move freely throughout the metallic lattice
Which pair is matched correctly? (Kelantan 2020, Q6)
Magnesium oxide, MgO. Covalent
Lithium chloride, LiCl. Ionic
Sodium chloride, NaCl. Covalent
Butane, C4H10. Ionic
Which of the following substances have dative bonds?
NH+4
H2O
H3O+
CO2
Ethanol, C2H5OH is soluble in water due to the formation of
dative bond
metallic bond
hydrogen bond
covalent bond
Which of the following statements is true about the giant covalent molecule?
Very large structure, usually exists as solids, liquids and gases
Van der Waals attraction forces between molecules are weak
High melting and boiling point
Weak covalent bond
Ion apakah yang menentukan sifat keasidan sesuatu larutan?
What ions determine the acidity of a solution?
OH-
SO42-
H+
NO3-
Apakah yang dimaksudkan dengan alkali?
What is an Alkali?
Bahan kimia yang meneutralkan asid untuk menghasilkan garam dan air
Chemical substances that neutralise acids to produce salt and water
Bes yang larut dalam air
Base that is soluble in water
Bahan kimia yang mengandungi ion H+
Chemical substances that contain H+ ions
Bahan yang mempunyai rasa yang masam
Substances that have a sour taste
Ciri-ciri asid kuat ialah
The properties of strong acids are
I. Kepekatan ion H+ tinggi
High concentration of H+ ions
II. Mengion separa dalam air
Ionises partially in water
III. Kepekatan ion OH- tinggi
High concentration of OH- ions
IV. Mengion lengkap dalam air
Ionises completely in water
I dan II
II dan III
I dan IV
II, III dan IV
Berikut adalah asid kuat kecuali
The following are the strong acids except
HCl
CH3COOH
H2SO4
HNO3
Manakah antara berikut merupakan asid lemah
Which of the following is a weak acid
H2SO4
HNO3
CH3COOH
HCl
A farmer found that the soil in his garden is too acidic.
Which substance is suitable to reduce the acidity of the soil?
Seorang petani mendapati tanah di kebunnya sangat berasid.
Bahan manakah yang sesuai untuk mengurangkan keasidan tanahnya?
Sodium chloride
Natrium klorida
Calcium oxide
Kalsium oksida
Barium nitrite
Barium nitrat
Potassium iodide
Kalium iodide
The following equation represents a neutralisation reaction.
Persamaan berikut mewakili tindak balas peneutralan.
Acid + Base ----> Salt + Water
Asid + Bes ----> Garam + Air
Which of the following pairs of reactants produce a neutralization reaction?
Antara pasangan bahan tindak balas berikut, yang manakah merupakan tindak balas peneutralan?
Sulphuric acid and calcium carbonate
Acid sulfurik dan kalsium karbonat
Nitric acid and magnesium oxide
Asid nitrik dan magnesium oksida
Hydrochloric acid and sodium sulphate
Asid hidroklorik dan natrium sulfat
Hydrochloric acid and sodium sulphate
Asid hidroklorik dan natrium sulfat
Which of the following is a suitable indicator to determine the end point for the neutralisation reaction between 0.1 mol dm-3sulphuric acid and 0.1 mol dm-3 sodium hydroxide solution?
Antara berikut yang manakah merupakan petunjuk yang sesuai untuk menentukan takat akhir bagi tindakbalas peneutralan di antara asid sulfurik 0.1 moldm-3 dan larutan natrium hidroksida 0.1 mol dm-3?
Red litmus paper
Kertas litmus biru
Blue litmus paper
Kertas litmus merah
Phenolphtalein
Fenolftalein
Tetrachloromethane
Tetraklorometana
40 cm3 of 1.0 mol dm-3 hydrochloric acid is neutralized by 25cm3 of barium hydroxide solution. What is the molarity of barium hydroxide?
40 cm3asid hidroklorik 1.0 mol dm-3 dineutralkan oleh 25cm3 larutan barium hidroksida.
Berapakah kemolaran larutan barium hidroksida?
0.625 mol dm-3
0.800 mol dm-3
1.600 mol dm-3
3.500 mol dm-3
Antara yang berikut, yang manakah benar tentang suatu alkali kuat?
Which of the following is true about a strong alkali?
Rasa masam
Taste sour
Mempunyai kepekatan ion hidrogen yang tinggi
Has a high concentration of hydrogen ions
Mengion separa dalam air
Ionises partially in water
Mempunyai kepekatan ion hidroksida yang tinggi
Has a high concentration of hydroxide ions
Asid bertindak balas dengan karbonat logam menghasilkan garam, air dan gas karbon dioksida.
Acids react with metal carbonate to produce salts, water and carbon dioxide gas.
Betul
True
Salah
False
Antara larutan alkali berikut, yang manakah mengion separa di dalam air untuk menghasilkan ion hidroksida, OH- ?
Which of the following alkaline solution is partially ionised in water to produce hydroxide ions, OH- ?
Larutan natrium hidroksida
Sodium hydroxide solution
Larutan ammonia
Ammonia solution
Larutan kalium hidroksida
Potassium hydroxide solution
