CSS · Federal Public Service Commission · 2026
Solved CSS MPT Everyday Science practice set from the 1000 Advanced Booklet, Q101–150 — 50 MCQs with verified answers and explanations (metals, alloys, mineral ores, largest producers, mineral uses). A practice compilation, not a past paper.
Paper Snapshot
Questions
50
Time
50
Minutes
Subjects
1
Topics
6
Read mode shows correct answers. Attempt mode hides answers, starts timer, and shows your result after submission.
About this paper
Part 3 (Q101–150) of the Sir Adnan '1000 Advanced Booklet Everyday Science' one-liner compilation (monster-data 'CSS MPT PAST PAPERS' pack). The booklet prints statement + answer only, so each item is published in the standard MCQ format with 3 authored plausible distractors under Anas's 2026-10-28 single-format decision and optionsSource recorded as 'authored'. All 50 printed items are published with no drops. One correction: Q132 “Black Gold” is published as petroleum (the standard one-liner answer); the booklet prints a dual answer, “Coal / Petroleum”. Two NOTE flags: Q126 (Russia leads diamond production by volume; by value Botswana often leads) and Q143 (modern coins are alloys, nickel the conventional one-liner answer). This is a practice set, never titled as a past paper, and Q151–1000 remain for later runs.
Paper Controls
Subject 1
Topic Section
8 solved MCQs shown directly below
Correct Answer: Aluminium
Aluminium is the most abundant metal in the Earth's crust, making up about 8% of it by weight.
Correct Answer: Feldspar
Feldspar is the most abundant mineral group in the Earth's crust, forming about 60% of it.
Correct Answer: Diamond
Diamond is the hardest naturally occurring substance, scoring 10 on the Mohs hardness scale.
Correct Answer: Mercury
Mercury is the only metal that is liquid at room temperature (gallium melts just above it, at about 30 °C).
Correct Answer: Lithium
Lithium is the lightest metal, with a density of about 0.53 g/cm³ — so light it floats on water.
Correct Answer: Uranium
Uranium (atomic number 92) is the heaviest element that occurs naturally in significant amounts.
Correct Answer: Gold
Gold is the most ductile metal — a single gram can be drawn into a wire about 3 km long.
Correct Answer: Gold
Gold is also the most malleable metal — a gram can be beaten into a sheet of about one square metre.
Topic Section
6 solved MCQs shown directly below
Correct Answer: Copper & Tin
Bronze is an alloy of copper and tin, used since antiquity for tools, weapons and statues.
Correct Answer: Copper & Zinc
Brass is an alloy of copper and zinc, used for musical instruments, fittings and decorative items.
Correct Answer: Iron, Chromium & Nickel
Stainless steel is iron alloyed with chromium (which resists rust) and usually nickel.
Correct Answer: Zinc
Galvanization coats iron or steel with zinc to protect it from rusting.
Correct Answer: Aluminium
Aluminium alloys are used for aircraft bodies because they are strong yet light.
Correct Answer: Copper
Copper is the standard metal for electrical wires because of its very high electrical conductivity.
Topic Section
6 solved MCQs shown directly below
Correct Answer: Bauxite
Bauxite is the principal ore from which aluminium is extracted.
Correct Answer: Hematite
Hematite (iron oxide, Fe₂O₃) is the main ore of iron.
Correct Answer: Chalcopyrite
Chalcopyrite (copper iron sulfide) is the most important ore of copper.
Correct Answer: Sphalerite
Sphalerite (zinc sulfide) is the principal ore of zinc.
Correct Answer: Galena
Galena (lead sulfide) is the main ore of lead.
Correct Answer: Pitchblende
Pitchblende (uraninite) is the classic ore from which uranium is obtained.
Topic Section
8 solved MCQs shown directly below
Correct Answer: China
China has been the world's largest gold producer since 2007, ahead of Australia and Russia.
Correct Answer: Mexico
Mexico is the world's largest producer of silver, ahead of Peru and China.
Correct Answer: Chile
Chile produces more copper than any other country, about a quarter of world output.
Correct Answer: Australia
Australia is the world's largest producer and exporter of iron ore.
Correct Answer: Australia
Australia is the world's largest producer of bauxite, the ore of aluminium.
Correct Answer: Russia
Russia is the world's largest diamond producer by volume (carats mined).
Correct Answer: Kazakhstan
Kazakhstan produces more uranium than any other country, over 40% of world output.
Correct Answer: South Africa
South Africa produces most of the world's platinum, ahead of Russia.
Topic Section
5 solved MCQs shown directly below
Correct Answer: Gold
Gold is traditionally called the king of metals for its rarity, lustre and resistance to corrosion.
Correct Answer: Copper
Copper is nicknamed poor man's gold because of its golden-brown colour and wide everyday use.
Correct Answer: Halite (NaCl)
Halite is common salt (sodium chloride), the mineral literally called the salt of the earth.
Correct Answer: Petroleum
Petroleum (crude oil) is the standard answer for “black gold”, for its dark colour and great economic value.
Correct Answer: Petroleum
Petroleum is also called liquid gold, again for its value and its liquid form.
Topic Section
17 solved MCQs shown directly below
Correct Answer: Silica (SiO₂)
Silica (silicon dioxide, sand) is the main raw material of glass.
Correct Answer: Limestone (CaCO₃)
Limestone (calcium carbonate) is the chief raw material of cement.
Correct Answer: Phosphate rock
Phosphate rock supplies the phosphorus in phosphate fertilizers.
Correct Answer: Graphite
Pencil “lead” is graphite, a soft form of carbon — not the metal lead.
Correct Answer: Gypsum
Plaster of Paris is made by heating gypsum (calcium sulfate dihydrate).
Correct Answer: Fluorite
Fluorite is the source of the fluoride compounds added to toothpaste to protect teeth.
Correct Answer: Lead
Lead is the metal of the lead-acid battery, still the standard car battery.
Correct Answer: Uranium
Uranium (as uranium dioxide pellets) is the fuel in most nuclear reactor fuel rods.
Correct Answer: Gold
Gold is the classic ornamental metal, prized for its lustre and resistance to tarnish.
Correct Answer: Nickel
Nickel (in cupronickel and other coinage alloys) is the conventional one-liner answer for coin metal.
Correct Answer: Silver
Silver has the highest reflectivity of any metal and is the traditional mirror backing.
Correct Answer: Mercury
Mercury, liquid at room temperature with uniform expansion, was the traditional thermometer fluid.
Correct Answer: Saltpeter (KNO₃)
Saltpeter (potassium nitrate) is the oxidizer in gunpowder and early explosives.
Correct Answer: Sodium Carbonate
Sodium carbonate (washing soda) is used in soap-making and detergents.
Correct Answer: Nitrate minerals
Nitrate minerals (such as Chile saltpeter) supply nitrogen for fertilizers.
Correct Answer: Calcium Carbonate
Chalk is a soft form of calcium carbonate (limestone).
Correct Answer: Clay (Kaolin)
Clay, chiefly kaolin, is the raw material of pottery and porcelain.
Source & verification
Built by GK360 from verified bank questions — every answer rechecked before publishing. Where the source printed no options, the answer options were prepared by GK360; the questions and correct answers are the verified originals.
Questions
No. This is a practice set built from the Sir Adnan '1000 Advanced Booklet Everyday Science' one-liner compilation. It is labelled practice in the title, slug and paperType and must not be quoted as an official past paper.
Every item in Q101–150 has a verifiable standard answer (metals and their properties, alloys, mineral ores, largest producers, mineral epithets and mineral uses). Nothing had to be dropped as unanswerable; one booklet answer was corrected to the standard answer and two items carry NOTE flags.
The source prints statement + answer only, with no (a)-(d) options. Under Anas's 2026-10-28 single-format decision, each item is published in the standard MCQ format with 3 authored plausible distractors; the questions and answers are the booklet's, and every answer was verified as the standard answer. optionsSource is recorded as 'authored' so authored options are never mistaken for the paper's.
Q101–150 cover metals and their properties, alloys, mineral sources of metals, largest producers, mineral epithets and mineral uses. The booklet runs to 1000 items; Q151–1000 are held for later conversion runs in the same format.
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