Sulphuric acid Study guides, Revision notes & Summaries

I Biological and non-biological substances both need oxygen for their existence. II The human body consists only of biological substances. I is correct and II is incorrect Characteristics of life include: growth and metabolism Examples of synthetic substances are: plastics and silicones Examples of organic biological substances are: carbohydrates and fats Examples of mineral substances are: paraffins and petroleum Matter is everything that: occupies space and has weight The ...

CSP1501 Assignment 1 2024 (Solutions) Question 1 Not yet answered Marked out of 1.00 Flag question Question text Which one of the following options lists only inorganic compounds? a. Water, salts, gas b. Carbohydrates, protein, fats c. Salts, gas, carbohydrates d. Water, oxygen, carbon dioxide, electrolytes Clear my choice Question 2 Not yet answered Marked out of 1.00 Flag question Question text Select the correct symbol for Dubnium a. Db b. D c. Dm d. Du Questio...

CIDESCO Exam Prep Questions and Answers 2024 I Biological and non-biological substances both need oxygen for their existence. II The human body consists only of biological substances. I is correct and II is incorrect Characteristics of life include: growth and metabolism Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Examples of synthetic substances are: plastics and silicones Examples of org...

Practicals Chemistry AQA A-level Rated A+ Required Practical 1 - titration and making a standard solution Making a standard solution 1. weigh the required mass of solid using a sample bottle on a 2 dp balance. 2. transfer the solid into a beaker using distilled water to wash it out- preventing any solid remaining in the sample bottle. 3. reweigh the sample bottle and work out the difference. 4. Add 100cm3 of distilled water to the beaker to dissolve the solid (small volume of water) using a...

AQA GCSE Separate Science Chemistry – Paper 1 Higher Tier Predicted Paper 2023 With marking scheme Name …………………………………………………………………… Date ………………… 1 hour 45 minutes allowed. You may use a calculator and an AQA periodic table. Grade boundaries These are VERY rough guesses! Getting a 7 on this paper does not guarantee you the same mark in the exam. • 9 70% • 8 60% • 7 50% • 6 45% • 5 35% ...

Edexcel iGCSE Chemistry, question and answer with rated solution Experiment for Diffusion? 1) HCl placed at one end of the test tube, ammonia solution at the other. 2) Where they meet, a ring of Ammonium Chloride appears. 3) The diagram shows that the ammonia is closer to the ring, showing that ammonia must have travelled faster, showing it's a lighter gas. Experiment for Dilution? 1) Put a coloured substance in a solvent e.g food colouring in water. 2) Over the time, the colour le...

Characteristics of life include: correct answers Growth and metabolism Example of organic biological substances are: correct answers Carbohydrates and fats Examples of mineral substances are: correct answers Paraffin's and petroleum Matter is everything that: correct answers Occupies space and has weight What property does all matter have? correct answers All matter has weight Sublimation is the change of matter from: correct answers A solid to a gas The alternation of the pro...

Characteristics of life include: - Growth and metabolism Example of organic biological substances are: - Carbohydrates and fats Examples of mineral substances are: - Paraffin's and petroleum Matter is everything that: - Occupies space and has weight What property does all matter have? - All matter has weight Sublimation is the change of matter from: - A solid to a gas The alternation of the properties of matter without formation of any new substances is called? - Physical chan...

Characteristics of life include: Correct Answer Growth and metabolism Example of organic biological substances are: Correct Answer Carbohydrates and fats Examples of mineral substances are: Correct Answer Paraffin's and petroleum Matter is everything that: Correct Answer Occupies space and has weight What property does all matter have? Correct Answer All matter has weight Sublimation is the change of matter from: Correct Answer A solid to a gas The alternation of the propertie...

which ones are correct? 1. Biological and non-biological substances both need oxygen for their existence 2. the human body consists only of biological substances - 1 and 2 are both correct which ones are correct? 1. every living organism needs some non-biological substances for its existence 2. all non-biological substances are found as minerals in the earth - 1 is correct 2 is incorrect characteristics of life include.. - growth and metabolism examples of synthetic substances are...