Chemistry Quiz for Grade 10
- Question of
What is the rate of chemical reaction?
- Chemical reaction rate is an intensive property
- Chemical reaction rate is a chemical property
- Chemical reaction rate is a physical property
- Chemical reaction rate is an extensive property
- Question of
The term “catalyst” refers to ___________.
- Can either increase or decrease the speed of a chemical reaction
- Alters the value of equilibrium constant in a reversible chemical reaction
- Increases the speed of a chemical reaction
- Decreases the speed of a chemical reaction
- Question of
The reaction order is determined by _____________.
- Sum of the powers of the concentrations of all the reactants
- Power of any one of the reactant concentrations
- Number of molecules of reactants taking part in the reaction
- Concentration of intermediate species formed
- Question of
The rate of homogeneous response is influenced by a number of factors.
- Temperature, pressure and reactant concentration
- Temperature only
- Pressure only
- Reactant Concentration only
- Reactant Concentration only
- Reactant Concentration only
- Question of
A reaction’s rate cannot be expressed in terms of time:
- Yes
- No
- Question of
A reaction’s rate cannot be expressed in terms of time:
- Amount of product
- Volume of solid
- Volume of reacting fluid
- Interfacial surface
- Question of
According to Robert Boyle, which of the following is not an acid’s property?
- bitter in taste
- turns blue Litmus red
- sour in taste
- neutralize bases
- Question of
A proton donor is a chemical that:
- protongenic
- protophilic
- amphoteric
- amphiprotic
- Question of
Which of the following compounds can’t be used as an acid and a base at the same time?
- protophilic
- amphoteric substance
- amphiprotic substance
- ampholyte
- Question of
Lewis concept does explain the behaviour of __________.
- protonic acids
- bases
- salts
- amphoteric substances
- Question of
The pH of which of the following is more than 7?
- blood plasma
- gastric juice
- vinegar
- lemon juice
- Question of
What is the Neutralization process in reverse?
- hydrolysis
- formation
- reaction
- splitting
- Question of
The primary ore of aluminium is which of the following?
- Bauxite
- Kaolinite
- Malachite
- Cinnabar
- Question of
Which of the following is not an appropriate ore for iron extraction?
- Iron Pyrites
- Hematite
- Magnetite
- Siderite
- Question of
Cinnabar is used to extract which metal?
- Mercury
- Zinc
- Copper
- Iron
- Question of
Aluminum does not have which of the following properties?
- Aluminium is a poor conductor of heat and electricity
- Aluminium is light in weight
- It readily dissolves in HCl
- Aluminium is highly resistant to corrosion
- Question of
Which of the following isn’t a cobalt property?
- It is attacked by alkalies
- Cobalt is a lustrous white metal
- Cobalt is malleable
- Cobalt is ductile
- Question of
Which one of the following is not a zinc ore?
- Limonite
- Zincite
- Calamine
- Franklinite
- Question of
Hydrocarbons are organic molecules that contain the element carbon.
- Both hydrogen and carbon
- Hydrogen
- Oxygen
- Carbon
- Question of
Alkane chlorination is an example of __________.
- Free radical
- Radical
- Elimination
- Addition
- Question of
Which of the chemicals below does not have a carbonyl group?
- Alcohol
- Aldehyde
- Ketone
- Carboxylic acid
- Question of
Butanal is known by what name?
- n-Butyraldehyde
- n-Butanaldehyde
- α-Butanaldehyde
- α-Butyraldehyde
- Question of
Which of the following elements from Group 14 is a metal?
- Stannum
- Germanium
- Carbon
- Silicon
- Question of
What exactly is the fajan’s rule?
- Oxidation State
- electronegativity
- ionic compounds
- covalent compounds
- Question of
Which of the following does not belong to the group of Doberiener’s triad?
- He, Na and Ar
- Li, Na, and K
- Ca, Sr and Ba
- CL, Br and I
- Question of
The attributes of corresponding elements are the periodic functions of the ________.
- Atomic Weights
- Atomic Number
- Chemical properties
- No of protons
- Question of
An element’s physical and chemical properties are a periodic function of its mass?
- Atomic number
- No of electrons
- Element behaviour
- Atomic mass
- Question of
The greatest number in the period correlates to the highest number in the period.
- Principal quantum number
- Magnetic quantum number
- Spin quantum number
- Azimuthal quantum number
- Question of
Which of the following elements belongs to the periodic table’s second transition series?
- Nb
- Ni
- Au
- La
- La
- Question of
What may a litmus paper be used to test?
- Both acidic nature and basic nature
- Acidic nature only
- Basic nature only
- Nothing