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Chemistry Cxc Paper 1 Practice Questions

by Powell
by Powell

This quiz consists of questions that discussed elements and compounds composed of atoms, molecules, and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances.

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Chemistry

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Which one of the following have a positive charge ?

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What are nucleic acids

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Bauxite is an ore of?

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Nylon is prepared from?

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Milk is a natural

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aluminum is the 13 element on the periodic table, how many shells does it have ?

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What is the chemical formula for hydrogen peroxide

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Which one of the following elements is not present in stainless steel?

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Commercial,sodium bicarbonate is known as ?

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Which of the following does not affect the solubility of a substance?

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which substance forms dense white fumes with ammonia gas

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When an atom loses an electron it becomes a

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The most electronegative element among the following is ?

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What is the correct name for the compound K2O

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The symbol SB stands for stibnum or stibnite. What is the modern name of this element ?

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Which polymers occur naturally ?

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what is the formula for bleach?

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If you fill a glass to the brim with ice water and the ice melts, what will happen?

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A metallic bond is formed when ?

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Which of the Carbon Compounds is used as fire extinguisher ?

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The percentage of nitrogen in ammonium sulphate is?

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Which of the following lime water contains:

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The gas which is believed to be the main cause of explosion in the coal mines is?

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A mole contains Avogadro's. What is Avogadro number?

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Which one of the following products result when it readily loses active oxygen

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Molecular compound doesnt conduct electricity

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Balance the equation _Hg +4Na yields_HgNa (sub2)

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The gas that is responsible for global warming is ?

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What is the greatest number of valence electrons an atom can have?

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The outermost shell are called ?

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Name this type of pure carbon; carbon tightly bound to 3 others carbon atoms in loose sheets

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What is the formula for aluminum oxide?

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Due to rusting the weight of iron?

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What is the formula for Potassium sulfite

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All are true about bases except

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which of the element is in group (2) two on the periodic table?

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All of the following elements are liquids around room temperature except which one?

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which of the following metal would react Most vigorously in a dilute acid?

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What is the formula for table salt?

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When a helium atom loses an electron it becomes

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Most commonly used bleaching agent is?

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which gas produce a pop sound?

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The acid used in a car battery is

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Which of the following is not a noble gas?

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The most commonly used semiconductor material is Silicon

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Carbon is the 6 element on the periodic table. How many shell does it have?

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What is the name of the compound with molecular formula C6H6?

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One of the essential minerals in the human body is salt. How much salt (NaCl) is in the average adult human body?

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Which of the following does not increase the number of particles in a reaction ?

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Which of the formula is the correct formula for ammonium carbonate?

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Brass is an alloy of

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Acid rain is caused by

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All organic compound contain the element

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A drop of food coloring spreading out in a cup of water is an example of which transport process?

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Phosphorus is mainly extracted from?

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A material made of two or more elements, at least one of which is a metal is called

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Epsom salt chemically known as

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Ink is prepared from?

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The symbol Ag stands for which element?

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when ethene reacts with steam the ethene is :

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which gas turns lime water milky white?

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What Kelvin temperature is equal to 25°C?

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When TEL (Tera Ethyl Lead) is added to petrol it :

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Which of the following is the main ingredient of cement?

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The pollutant responsible for ozone holes is

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