Consider the following statements with respect to noble metals:

1. Noble metals are found in pure form in nature.
2. Uranium and lead are examples of noble metals.

Which of the above statements is/are correct?

Ethanol Blended Petrol Programme was started in 2003 to mix ethanol with Petrol. Which of the following statements are correct regarding the Ethanol Blending Program (EBP)?

1. EBP is cheaper than petrol as alcohol is cheaper.
2. Ethanol burns more cleanly and completely as compared to petrol.
3. The calorific value of Ethanol is higher than Petrol.

Select the code from the following:

Consider the following statements regarding recently opened Low Enriched Uranium (LEU) bank:

1. It is owned and controlled by the International Atomic Energy Agency.
2. It would act as a supplier of last resort for member states in case the supply of LEU to a nuclear power plant is disrupted.

Which of the statements given above is/are correct?

Which of the following is/are factors responsible for condensation?

1. Presence of hygroscopic nuclei
2. Low temperature
3. Presence of moisture

Select the correct answer using the code given below.

WHO has divided the drugs into three categories - access, watch, and reserve. Consider the following statements in this regard:

1. The 'access' category includes commonly used antibiotics available at all times as a treatment for a wide range of common infections.
2. The 'reserve' category includes antibiotics that are considered last-resort options and used only in the most severe circumstances.
3. Paracetamol is one of the most widely used antibiotics in the access category.

Which of the above statements is/are correct?

Consider the following statements about Hydrofluorocarbons (HFCs):

1. HFCs are organic compounds having fluorine and Hydrogen atoms and are used widely as Refrigerants.
2. HFCs are very harmful to the Ozone layer as it reacts with the free radicals and prevents the formation of Ozone.
3. The use of HFCs has to be phased out completely by 2030 according to Montreal Protocol.

Which of the above statements is/are correct?

With reference to mixtures and compounds, consider the following statements:

1. Mixture shows the properties of its constituents whereas the properties of a compound are different from its constituents.
2. Mixtures have fixed melting and boiling points while compounds do not have fixed melting and boiling points.

Select the correct answer using the codes given below:

Natural gas is a mixture of:

1. Methane and high hydrocarbons
2. Butane and isobutane
3. Methane only
4. Methane, Hydrogen, carbon monoxide

Select the correct answer using the code given below: