Answer: C) Hydrogen Explanation: Hydrogen is the common element to all Acids. But every element which contains Hydrogen is not an Acid. Most of the acids also contain Oxygen.

Answer: D) Maharashtra Explanation: The Chief Minister of Maharashtra Devendra Fadnavis has recently launched a web portal ‘Mahaswayam’ for job seekers, employers, entrepreneurs and training institutes. At ‘Mahaswayam’, job seekers will be able to register themselves, search as well as apply for jobs, inquire for training, get information on self-employment and get details of job fairs. Besides, training institutes can also register, get details on participation in the state skill development programme, get training fee receipts, and can also receive training fee through ECS. Apart from this, entrepreneurs can also post job vacancy advertisements at the portal.

Answer: A) Dalveer Bhandari Explanation: India's nominee to International Court of Justice (ICJ) Dalveer Bhandari (70) was re-elected to fifth and the last seat of World court. Bhandari received 183-193 votes in United Nations General Assembly and secured all 15 votes in UN Security Council (UNSC). He was elected after Britain withdrew its candidate from the election. This is the first time since the ICJ was established in 1945 that there will be no British judge in ICJ. Bhandari is fourth Indian judge to be elected to ICJ after B.N. Rau, Nagendra Singh and RS Pathak.

Answer: A) General Data Protection Regulation Explanation: GDPR stands for the General Data Protection Regulation. The GDPR is a piece of EU legislation passed by the European Parliament in 2016.   It aims to make it simpler for people to control how companies use their personal details. Companies will not be allowed to collect and use personal information without the person's consent. Data includes things like a person's name, email address and phone number, and also internet browsing habits collected by website cookies.

Answer: C) Mesosphere Explanation: The mesosphere lies above the stratosphere and extends to an altitude of about 85 km. This is layer is often referred to as the cold layer, as the lowest readings in the atmosphere are found here.   Temperature decreases with height, reaching a minimum average value of -90 ºC at the top of the layer.

Answer: A) India Explanation: Nepalese President Bidya Devi Bhandari is arriving in New Delhi on a five-day visit to India. This will be Bhandari's first foreign trip after assuming the office in October 2015, following the promulgation of the new Constitution in Nepal.