Questions

Processes that require or give off heat will be limited to changes of state, known as phase changes, and changes in chemical constitution, or chemical reactions. Changes of state involve a solid melting, a liquid freezing, a liquid boiling or a gas condensing.

An exothermic process is one that gives off heat, which is transferred to the surroundings. An endothermic process is a reaction which heat has to be supplied to the system from the surroundings.

Here in all the given options, heat is taken away from them to change there phase. 

Liquid to Solid --- Freezing

Gas to Liquid --- Condensation

Gas to Solid --- Deposition 

are all examples of exothermic processes.

Uttar Pradesh is the Indian state which share the most borders with 9 different states.

Neighbouring States of Uttar Pradesh –

Uttarakhand and Himachal Pradesh in northwest,

Delhi, Haryana and Rajasthan in west,

Madhya Pradesh in south,

Chhattisgarh in southeast,

Bihar and Jharkhand in east.

Bureau of Pharma PSUs of India (BPPI) is the implementing agency of Pradhan Mantri Janaushadhi Pariyojana (PMBJP). BPPI was established in December2008 under the Department of Pharmaceuticals, Government of India. The Bureau has been registered as an independent society under the Societies RegistrationAct, 1860 as a separate independent legal entity in April, 2010. BPPI follows the provisions of GFR, 2017 as amended from time to time, the CVC guidelines, and instructions from the Department of Pharmaceuticals.

Thermoplastic materials is a type of plastic material that can be cooled and heated several times without any change in their chemistry or mechanical properties.

Examples of Thermoplastic ::

• polyethylene,
• polypropylene,
• polyvinyl chloride,
• polystyrene,
• polybenzimidazole,
• acrylic,
• nylon and
• teflon

A rift valley is an elongated trough like feature bounded by faults. The term 'garben' is considered synonymous to rift valley.