The chemistry lecturer and two pre-university chemistry teachers commented A collection of STPM Dec 30, — 2 In case the question is too hard to be solved, no refund is given but you may consider other past year question as replacement.
Hi, is it possible to obtain some very old past year papers. STPM past year question.. Mode of Exam[edit]. Paper 1 : Physics, Chemistry and Mathematics - parts 1, 2 and 3 respectively Physics Revision.
For each of the exam boards below, there are revision notes, factsheets, questions from past exam papers separated by topic and videos.. They did the maths A-level in a year, so they could just do the further maths in a year. The Open Chemical Good Essay Attention Grabbers, ra thesis, stpm math t coursework Do you have massive reference books stored in your bag before exam? STPM app is designed ti manage them seamlessly with high efficiency.
STPM app Sep 21, — Better feedback on student papers and exams will be even more important in order to give undergraduates a more accurate sense of how much Dec 13, — Getting the books stpm exam paper now is not type of inspiring means. Past Year Exam Papers Chemistry 1. Chemistry 2. No ratings yet. Shopee Guarantee. Get the item you ordered or get The final organic.
Calculate the temperature change and the final temperature of the solution. Each one is require special attention in batter way. Labels: SPM Answer. Unknown November 27, at AM. Unknown November 27, at PM. Syafiqaqa November 27, at PM. Swee Moi November 29, at PM. Almost Perfect November 27, at PM. Unknown December 2, at AM. Anonymous December 2, at PM. Unknown November 28, at AM. Answer all the questions in Section A and Section B. Section A 1. The relative abundance of 35Cl to 37Cl is Which statement about the mass spectrum of NCl3 is true?
Two liquids, P and Q of the same volume are allowed to evaporate. It is found that P evaporates first before Q does. Which statement explains this observation? A The vapour pressure of P is lower than that of Q. B The intermolecular force of P is weaker than that of Q. C The density of P is higher than that of Q.
D Q is more viscous than P. Ammonia is a non-ideal gas. What is the reason? A The volume occupied by the molecules cannot be ignored. B The intermolecular forces are strong. C The gas is easily compressed at high pressure.
D The molecules are small. What can be deduced from the phase diagram? A An increase in pressure will decrease the freezing point of water. B An increase in pressure will decrease the boiling point of water C Ice sublimes at a pressure higher than Pa. D Water exists as a liquid at a pressure of Pa and a temperature of K. Fullerene us an isotope of carbon. What is the coordination number of the carbon atom in fullerene?
Transition of electrons between energy levels in an atom will cause an absorption or emission of light. Which energy level diagram shows the transmission of electrons that emits light with the longest wavelength? A compound P with a high melting point dissolves in water, and conducts electricity in molten state.
Compound P most probably could be A potassium carbonate B magnesium oxide C aluminium chloride D strontium sulphate 8. Polyatomic molecules and ions have varied geometries. Which species and geometry correspond correctly? Rate Rate. A quantity of 28 g of nitrogen is mixed with 32 g of oxygen at K and kPa. Which statement best describes the mixture of gases formed? B The average velocities of the nitrogen and the oxygen molecules are the same.
C The average kinetic energies of the nitrogen and the oxygen molecules are the same. D There is no transfer of kinetic energy when nitrogen and oxygen molecules collide.
Hydrogen and iodine vapour are mixed at oC. What are the concentrations, in mol dm-3, of hydrogen, iodine and hydrogen iodide at equilibrium? Which of the following electronic configurations represents an element that forms a simple ion with a charge of -3? Which condition will not increase the rate of the forward reaction?
In which reaction the value of Kc equals the value of Kp? An aqueous solution solution of a monobasic acid has pH 3. The value of the dissociation constant of the acid is A B C D 3.
Which of the following statements is not correct? A The e. B Electrons flow from the chlorine halfcell to the manganate VII half-cell. Which of the following is not required in the calculation of the lattice energy of calcium oxide using the Born-Haber cycle? A current of 8 A is passed for min through molten aluminium oxide using carbon electrodes.
What will be the approximate volume of gas liberated, measured at s. The figure below shows the log ionisation energy for the electrons in the outer shells of an atom X. Which of the following is not a characteristic of aluminium chloride? A It is a covalent compound which sublimes at oC. B It undergoes hydrolysis in water to produce an acidic solution.
C It is used as a catalyst in the nucleophilic substitution involving the benzene ring. D Al2Cl6 is formed using coordinate bonds. The decrease in the enthalpy of hydration of the elements on descending Group 2 is due to A increase in ionic size of the cations B the decrease in ionisation energy C increase in hydrophobic effect D decreasing electron affinity Which of the following statements is not true about fullerene?
A It is an allotrope of carbon. B Complete combustion of fullerene produces carbon dioxide and water. C Each carbon atom is bonded to three other carbon atoms. D Each carbon atom uses sp3 hybridised orbital to form C-C bonds.
On going down Group 2 from Mg to Ba , the solubility of metal suphates decreases. Which of the following statements explains this property? A The electronegativitv of the metals increases. B The ionisation energy of the metals decreases. C The hydration energy of the cations decreases.
D The lattice energy of the metal sulphates increases. The substances below are all present in the exhaust fumes of a car engine. Which one of these substances could contribute to acid rain?
0コメント