Answer: A) It is insoluble in ether and other Non-polar solvents Explanation: Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations Na+ and hydroxide anions OH−. Properties: 1. It is highly soluble in water, and readily absorbs moisture and carbon dioxide from the air. 2. NaOH is insoluble in ether and other non-polar solvents. 3. It is an odorless compound.   Uses: Sodium hydroxide is used in many industries: in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents, and as a drain cleaner.

Answer: A) Rahul Doshi Explanation:

Answer: B) bL = -a Explanation: [(K-L)2-K+L2]4K = abK2+L2-2KL-K2+L2+2KL4K= ab   => - 4KL/4K = a/b   => L = - a/b   => bL = -a

Answer: A) 300 m Explanation: h =   = 3 × 108/106 = 300 m

Answer: A) Mukesh Ambani Explanation: According to 2018 January reports, Mukesh Ambani is the first richest person in India being 18th in the world, followed by Azim Premji and S.P. Hinduja in second and third places.

Answer: A) Latitude Explanation: Latitude comes first among latitude or longitude.  Latitude is written before longitude. The first number is always the latitude and the second is the longitude. Latitude is written with a number, followed by either “north” or “south” depending on whether it is located north or south of the equator. Longitude is written with a number, followed by either “east” or “west” depending on whether it is located east or west of the Prime Meridian.

Answer: A) 21st Nov Explanation:

Answer: D) HDFC Bank Explanation: HDFC Bank retains No. 1 rank in BrandZ India Top 50 for third year running BRANDZ TOP 50 REPORT. The BrandZ Top 50 Most Valuable Indian Brands ranking shows locally grown Indian brands increased 32% in value over three years. Airtel came in at No. 2 followed by State Bank of India at No. 3. The highest ranked new entrant on the list is Reliance Jio, at No.11. The BrandZ Top 50 Most Valuable Indian Brands report showed that the total value of India’s top brands has risen by 30% over the last three years. The top 50 brands are now worth $90.5 billion.