Previous Year Questions
Practice Questions
Browse and practice real questions from previous scholarship exams. Use filters to narrow down by year, subject, or exam.
Displaying 161 - 165 of 351
Q. 348
Find the mass of 4 mole(s) of water (H2O). (Molar mass = 18 g/mol)
Q. 364
An atom of Sodium has atomic number 11 and mass number 23. How many neutrons does it contain?
Q. 380
Calcium carbonate on heating decomposes into calcium oxide and carbon dioxide. What type of reaction is this?
Q. 396
Which gas is produced when a metal reacts with a dilute acid?
Q. 412
Elements in Group 1 of the periodic table (excluding hydrogen) are collectively known as what?