- Sodium Carbonate
- Sodium Hydroxide
- Sodium Peroxide
- Sodium Monoxide
Answer: Option 1
When sodium bicarbonate is strongly heated, it decomposes into sodium carbonate, water vapor, and carbon dioxide. Solid sodium carbonate is a white powder and is used in cooking under the name ‘baking powder’; sodium bicarbonate is used in baking under the name ‘baking soda’.
Answer: Option 3 Let'
1 Answers 1 viewsAnswer: Option 1 When a liquid is heated, its volume increases and mass of liquid being same density decreases.
1 Answers 1 viewsAnswer: Option 1 The hole size will increase because in expansion the size between two molecules do not increase so when the molecules on the outer edge move outward. Due...
1 Answers 1 viewsAnswer: Option 2 Newly formed snow reflects about 90 per cent of the sunlight that falls upon it. This means that the sun is powerless to melt clean snow. And...
1 Answers 1 viewsAnswer: Option 1 The metal ball can be considered to be made up of several layers of thinner ones. On heating each of these layers will increase in radius. As...
1 Answers 1 viewsAnswer: Option 2 During a service recovery effort, the employee was very empathetic to the customer’s plight and agreed to replace the defective product. However, it took three months for...
1 Answers 3 viewsAnswer: Option 5 An advertisement highlights only those features of a product, which are liked by people and are also desirable. So, both I and II are implicit.
1 Answers 2 viewsAnswer: Option 5 Clearly, it is the advertisement which makes the customer aware of the qualities of the product and leads him to buy it. So, argument I is valid....
1 Answers 1 viewsAnswer: Option 4 Sodium bicarbonate and organic acid (Formic acid, Acetic acid, Carbonic acid, etc) react vigorously to liberate carbon dioxide. For example, Sodium bicarbonate (NaHCO3) when treated with acetic...
1 Answers 2 viewsAnswer: Option 1 Mercury - mercuric oxide electrode is used in strongly alkaline solution.
1 Answers 1 views