Which element is very abundant in the earth?
Correct Answer: 2
Among metals, which is the least efficient heat conductor.
Correct Answer: 1
In order to make the bells and strings of musical instruments such as the Sitar and the Violin, which property of metals is used?
Correct Answer: 1
Al2O3 + 2NaOH ? ?? + H2O
Correct Answer: 3
Which of the following is the correct order of the metals in the given list in terms of their reactivity, as indicated by the arrows?
Correct Answer: 4
Which of the following pairs of reactions will result in a displacement reaction?
Correct Answer: 2
Non-metals form covalent chlorides because?
Correct Answer: 2
On prolonged reaction of iron with steam, which of the following oxides of iron would be produced?
Correct Answer: 3
Sodium, potassium, magnesium, and other highly reactive metals are extracted by the following methods:?
Correct Answer: 1
Which of the following non-metals has a lustrous sheen?
Correct Answer: 3
The following are examples of amphoteric oxides:?
Correct Answer: 3
In the following list, choose the one that is an acidic oxide.
Correct Answer: 3
?X? has the atomic number 12 and is found in the periodic table. Which inert gas is the most similar to X?
Correct Answer: 3
The process by which a carbonate ore is heated to high temperatures in the absence of oxygen in order to convert it to metal oxide is referred to as?
Correct Answer: 3
The oxidation of moderately reactive metals such as zinc, iron, nickel, tin, copper, and so on is reduced by using
Correct Answer: 3
Galvanisation is a technique for protecting iron from corrosion by coating it with a thin layer of?
Correct Answer: 3
An element X is soft and can be cut with a knife, according to the definition. This is extremely reactive to air and cannot be kept open in the presence of air for long periods of time. When it comes into contact with water, it reacts violently. Choose one of the elements from the list below.
Correct Answer: 2
The reaction between X and Y results in the formation of compound Z. X loses an electron, and Y gains an electron as a result of this. Which of the following characteristics is not demonstrated by Z?
Correct Answer: 3
Amalgam is a combination of the elements
Correct Answer: 2
Objects made of copper lose their lustre and develop a green coating made of?
Correct Answer: 3
Which of the following is a property of metals?
Correct Answer: 2
Which group of elements tends to lose electrons and form positive ions?
Correct Answer: 1
Which element is the best conductor of electricity?
Correct Answer: 1
Which of the following is not a characteristic of metals?
Correct Answer: 3
Which of the following is a non-metal?
Correct Answer: 3
Which of the following is a property of non-metals?
Correct Answer: 3
Which non-metal is essential for respiration in living organisms?
Correct Answer: 3
Which of the following elements is a metalloid?
Correct Answer: 3
Which of the following metals is the lightest?
Correct Answer: 2
Which property is characteristic of non-metals?
Correct Answer: 2
What property of metals allows them to be hammered into thin sheets without breaking?
Correct Answer: 2
Which of the following is NOT a characteristic of metals?
Correct Answer: 4
Which of the following is NOT a characteristic of metals?
Correct Answer: 4
Which of the following elements is a non-metal?
Correct Answer: 2
Non-metals generally have ________ electrons in their outermost shell.
Correct Answer: 1
Which of the following is a property of non-metals?
Correct Answer: 3
Which of the following elements is a metalloid?
Correct Answer: 2
Which of the following elements is a metal?
Correct Answer: 3
Which of the following is a property of metals but not non-metals?
Correct Answer: 2
Which of the following elements is a non-metal?
Correct Answer: 2
Which of the following properties is typically associated with metals?
Correct Answer: 2
Which element is a non-metal at room temperature?
Correct Answer: 2
Which of the following is a property of non-metals?
Correct Answer: 3
Which of the following is a metalloid?
Correct Answer: 3
What is the general state of non-metals at room temperature?
Correct Answer: 3
Which of the following is a characteristic property of metals regarding heat conduction?
Correct Answer: 3
Which of the following elements is a metal?
Correct Answer: 3
What is the general tendency of metals concerning their reactivity with water and acids?
Correct Answer: 1
Which of the following is a physical property of metals?
Correct Answer: 4
Which group of elements on the periodic table tends to have properties of both metals and non-metals?
Correct Answer: 3
Which non-metal is widely used in the production of semiconductors and has the property of being a metalloid?
Correct Answer: 1
Which of the following non-metals is used in the production of fertilizers and is also essential for the synthesis of proteins in plants?
Correct Answer: 1
Which metal is known for its high corrosion resistance and is commonly used for making stainless steel?
Correct Answer: 2
Which of the following non-metals is a halogen and is commonly used in disinfectants and bleaching agents?
Correct Answer: 1
Which metal is the primary component in the production of lightweight alloys used in the aerospace industry?
Correct Answer: 2