🔬 General Science Solved MCQs with Answers

Practice 4010 approved 🔬 General Science questions with verified answers from the 🌐 Current Affairs & GK subject for Pakistan exams.

4010 solved MCQs

Boyle’s and Charles’s Laws are readily explained in terms of the _______?Answer: Kinetic molecular theory In which of the following reactions is a new carbon-carbon bond not formed?Answer: Cannizzaro reaction The hybridization of a carbocation is?Answer: sp² Which of the following possesses linear geometry?Answer: Alkyne Compounds having the same molecular formula but different structures are called ______?Answer: Isomers The Ksp value is constant for a particular _____?Answer: Temperature Who was the first scientist to arrange elements in different categories?Answer: Mendeleev Which gas is used in filling weather balloons?Answer: Helium Which of the following contact point metals has the highest melting point?Answer: Tungsten Besides incorrect use, what is another reason that condoms may not be effective?Answer: They can break during intercourse Oxygen atom contain 8 protons, 8 electrons ______ neutrons.Answer: 8 Which of the following have positive value for heat?Answer: None of these Which one of the following is more energetic?Answer: 4f When 3p orbital is complete entering electron will go to ______?Answer: 4s Gases conduct electricity at _____?Answer: Low pressure Who prepared the centigrade scale?Answer: Celsius White Chromium II metal complexes in open change in colour ______?Answer: Green The gases which do not obey gas laws at all temperature and pressure are called?Answer: Real The metal which forms rose red precipitate with DMG is ______?Answer: Ni The amount of Chromium in stainless steel is _____?Answer: 18% The colour of Chromium II complex in open air change to _______?Answer: Green EDTA is called which ligand?Answer: Polydentate A mixture of potassium and calcium silicates formed _____?Answer: Hard glass Population is a group of:Answer: Individuals in a species Ignition of Fe(OH)₃ to give Fe₂O₃ is called?Answer: Dehydration Sulphuric acid is a _______ acid.Answer: Oxoacid The most suitable temperature for the moderate drying of the solid substance is ______?Answer: None of these A single solution of a complex containing equal amounts of two optical isomers is called a _____ mixture.Answer: Racemic The octahedral complex having sp³d² hybridization called as _______ orbital complex.Answer: Outer When object is thrown upward it rises to height "h" how high is the object in terms of h, when it has lost one third of its original Kinetic Energy?Answer: h/3