109 questions at Form 2
Most triedMost missedNewest- What is the pH of a neutral solution?
- What colour does blue litmus paper turn in an acid?
- An acid reacts with a base to form…
- What is the unit of force?
- A car travels 120 km in 2 hours. What is its average speed?
- What is the unit of electric current?
- Like magnetic poles…
- Where is most digested food absorbed?
- Fertilisation is the joining of…
- Light travels…
- What are the three particles in an atom?
- Which particle in an atom has a negative charge?
- Which particle in an atom has no charge?
- What is the atomic number of an element?
- An atom has 6 protons and 6 neutrons. What is its mass number?
- Sodium has atomic number 11. How many electrons does a neutral sodium atom have?
- What is the electron arrangement of an atom with 11 electrons?
- In the periodic table, what are the vertical columns called?
- Which group of the periodic table contains the noble gases?
- Why are noble gases such as helium and neon very unreactive?
- How many atoms are in one molecule of carbon dioxide (CO₂)?
- What is the chemical name for NaCl?
- What is the chemical name for CaCO₃?
- Complete: acid + alkali → ___ + water.
- Complete: acid + metal → salt + ___.
- Complete: acid + carbonate → salt + water + ___.
- What is the test for hydrogen gas?
- What is the test for carbon dioxide?
- What is the test for oxygen?
- Which salt is formed when hydrochloric acid reacts with sodium hydroxide?
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