Bissoy.com
Doctors Medicines MCQs Q&A

Which of the following is a spontaneous exothermic process?

Which of the following is a spontaneous exothermic process? Correct Answer Rusting

Rusting is spontaneous exothermal process .Melting of ice is a spontaneous endothermic process and the last two are non-spontaneous in nature.

Related Questions

Air of 20.8% O2, concentration enters a coal mine panel at 20 m3/s and exits with 20.6% O2. The oxygen depletion is due to oxidation of carbon in spontaneous heating process only, assuming the density of oxygen as 1.3 kg/m3 and the calorific value of carbon as 34 MJ/kg, the heat generated in kW from the panel due to spontaneous oxidation is
Two processes X and Y need to access a critical section. Consider the following synchronization construct used by both the processes Process ? /* other code for process ? */ while(true) { varP = true; while(varQ == true) { /* Critical Section */ varP = false; } } /* other code for process ?? */   Process ? /* other code for process ? */ while(true) { varQ = true; while(varP == true) { /* Critical Section */ varQ = false; } } /* other code for process ? */   Here, varP and varQ are shared variables and both are initialized to false. Which one of the following statements is true?
Is spontaneous process an irreversible process.
From among the following, choose one which is not an exothermic process.
Which of the following is not exothermic process ?
Consider the following statements regarding pyrolysis: 1. It is an irreversible chemical change brought about by the action of heat in oxygen-free atmosphere. 2. Range of temperature is 500°C to 1000°C. 3. Internal heating causes organic matter to decompose physically and chemically rather than burn. 4. It is a highly exothermic process. Which of the above statements are correct?
Which of the following is an exothermic process?
Which phase change is an example of an exothermic process?
_______ is an exothermic combustion process that uses the heat generated during a reaction to sinter the material.
Study the following information carefully and answer the given questions. For a recruitment process in an ACCOUNTING organization, the candidates need to possess the following qualifications criteria: i) He/she must be a graduate in commerce with at least 60% marks. ii) He/she must be at least 24 years of age and not more than 40 years as of 1-7-2016. iii) He/she must have post-qualification work experience of at least 2 years. iv) He/she should have secured 55% marks in the selection process. However, if the candidate fulfills the above-mentioned criteria except: (A) at (i), and if the candidate is not a graduate in commerce but has a post-graduation degree in finance with a minimum of 60% marks, he/she should be referred to the Finance Manager of the organization. (B) at (iii), and if the candidate fulfills all the eligibility criteria of post-qualification work experience but has secured 75% marks in the selection process, he/she may be referred to the Trainee Accountant. Based on the above information, study carefully whether the following candidates are eligible for the recruitment process and mark your answer as follows. You are not to assume anything other than the information provided in each question. All the cases are given to you as of 1-7-2016. Snehlata’s date of birth is 6.2.1990. She has done her graduation and post-graduation in Commerce and secured 61% and 63% marks respectively. She has post-qualification work experience as a Senior Accountant of 3.5 years. She has secured 58.5% marks in the selection process.