Questions

Burning gasoline is the only process that involving in a chemical change in the given options. A chemical change is a change in the starting substances that are called reactants from the formed new substances that are called products. 

The Cold War started with building tensions between the US and the USSR during World War II. As Stalin began to annex more countries and spread communism throughout Eastern Europe, the US began to feel threatened and feared that they would start a war amongst the capitalist nations. The US started an attempt to limit the spread of communism and protect capitalism, which led to a series of passive aggressive and indirectly hostile exchanges between the two nations.

The beginning of the end of the cold war, the Berlin Wall came down. The USSR began to collapse the following year, in 1990.

All are correct except 1. The Shiromani Gurdwara Parbandhak   Committee(orSGPC) is an organization in India responsible for the management of gurdwaras, Sikh places of worship in three states of Punjab, Haryana,   and Himachal Pradesh and union territory of Chandigarh. SGPC also administers Harmandir Sahibin Amritsar.  In  1920,  Sikhs held  their  scheduled  meeting  and elected     a     bigger     committee consisting  of  175   members  and named     it Shiromani     Gurdwara Parbandhak Committee.

Micronutrients are ne tothe nutrients which our body requires for functioning and to maintain immune to micro organisms. They include 

1) Vitamins 

2) Minerals

• Vitamins: A,B1,B2,B3,B5,B6,B8,B9,B12,C,D,E,K.

• Major minerals: calcium, magnesium, chlorine, phosphorus, potassium and sodium.

• Oligo-elements (trace minerals): iron, copper, zinc, iodine, manganese, chromium, cobalt, selenium.