Case-based Question -1 Read the following …

Case-based Question -1 Read the following and answer any four questions: Salt of a strong acid and strong base is neutral with a pH value of 7. NaCl common salt is formed by a combination of hydrochloride and sodium hydroxide solution. This is the salt that is used in food. Some salt is called rock salt bed of rack salt was formed when seas of bygone ages dried up. The common salt thus obtained is an important raw material for various materials of daily use, such as sodium hydroxide, baking soda, washing soda, and bleaching powder. Which of the following does not form an acidic salt? Phosphoric acid Carbonic acid Hydrochloric acid Sulphuric acid Which of the following salts has no water of crystallization? Blue vitriol Washing soda Baking soda Gypsum The formula of baking soda is K2CO KHCO3 NaHCO3 Na2CO3 Which of the following is treated with chlorine to obtain bleaching powder CaSO4 Ca(OH)2 Mg(OH)2 KOH Which of the following salt is used for removing the permanent hardness of water Washing soda Baking soda Bleaching powder NaOH

Explain three stages of resource planning

A current of 5 mili mpr is passing through a wire how many electrons are passing through per minute through the area of cross section of the wire

Obtain the relation between incidence angle, emergence angle, prism angle and deviation angle for refraction through prism How to derive this

What is the function of petal and sepal.

How does our body respond when adrenaline is Secreated into the blood

Digestion is begin from in the presence in which enzymes or digestion occur

What is the importance of variation explain in 4 to 5 points

What is respiration.

How do organisms obtain their nutrition?

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

• Don't post personal information, mobile numbers and other details.
• Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
• Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
• Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.