Chemistry Questions

Which of the following elements has the lowest melting point?

Which of the following statements best describes Le Chatelier's principle?

Which among the following gas was leaked during the Bhopal gas tragedy in 1984?

Which element although situated outside the Radioactive series, has radioactive isotope ?

What is laughing gas?

Which of the following elements has the smallest atomic radius?

Air has maximum proportion of which inert gas?

Atomic number of which of the following elements is greater than that of Silicon____

Solder used for joining metal parts together is an alloy of:

Which one among the following is a thermosetting plastic?

Bhopal tragedy occurred due to a highly toxic chemical:

An aqueous solution of iron(Ⅲ) chloride is:

Chlorofluorocarbon (CFC) is used in:

Monazite is an ore of:

An aqueous solution of iron(III) chloride (${\text{FeCl}}_3$) is found to be:

The term PVC used in the plastic industry stands for:

The chemical name of vinegar is:

Which among the following gases was leaked during the Bhopal gas tragedy in 1984?

In the manufacture of Vanaspati ghee from vegetable oils, which among the following gases is used?

Radiocarbon dating technique is used to estimate the age of

The number of moles of solute dissolved in $1\text{kg}$ of a solvent is defined as:

Historically, toxic emissions of Tetraethyl lead ($\text{TEL}$) were primarily associated with:

The Bhopal gas tragedy in 1984 occurred due to the leakage of which highly toxic chemical gas?

Sphalerite is an ore of:

Give the full form of RDX, from the options below.

What is the chemical formula of Nitrogen?

What is the atomic number of lithium?

Which inert gas is used in double-glazed windows to fill the space between the panes?

Which type of protein is found in milk?

What is the valency of chloride in AlCl
3
​
?

Dry Ice is the solid form of:

A special property of acids and bases is their ability to _______ each other’s properties.

Baking soda, the common cooking ingredient, has which of the following chemical name?

Which metalloid in the carbon group is chemically similar to its group neighbours tin and silicon?

Who discovered Oxygen?

Who is known as the ‘Father of Indian Chemistry’?

How many hydrogen atoms are there in a molecule of acetylene?

Which compound is used to remove skins from tomatoes, potatoes and other fruits and vegetables for canning and as an ingredient in food preservatives, which helps prevent the growth of mold and bacteria in food?

How is the molecular weight of a fatty acid determined?

Which of the following chemicals is commonly used for preserving tomato sauces?

What was the first element discovered by Marie and Pierre Curie?

Who discovered Oxygen?

NaHCO
3
​
is the chemical formula for _________.

Which of the following is a non-metal that remains in liquid state at room temperature?