What protections does fire resistance not provide?

Q: definition of plastic and source and usage of plastic

A: Hydrocarbons: Polymers are essentially molecules that exist as very long chains. Most polymers are…

Q: Why small grain size metals have the temperature environment greater mechanical strength than if…

A: The size of the grains plays an important role in the characteristics of the material, ranging from…

Q: Write about the least to most important safety rules in a laboratory room. (Atleast 6 safety rules

A: 1. Dress for laboratory lab  This is the safety rule because your clothing is the best form of…

Q: When using the centrifuge, what safety precautions should be followed?

A:

Q: Polyethylene terephthalate (PET) is used in plastic water bottles. A water bottle has a mass of 14.0…

A: Given values-> Mass = 14.0gram Density = 1.38gm/cm^3

Q: Different types of gloves protect against different types of chemicals.   true    false

A: Gloves can be used against hand injuries, exposures, and skin diseases while working with different…

Q: Lab Safety When heating a test tube, O Always point the test tube away from you and others O Always…

A:

Q: Benefits

A: Nano Medicine is defined as the field of medicine that aims to use the properties and physical…

Q: Sometimes clothes cling together when removed from a dryer. What kinds of charges are on the…

A: Static cling is the tendency for light objects to stick (cling) to other objects owing to static…

Q: Why is paper used for weighing dry, non-hygroscopic chemicals only? Why is watch glass used…

A: When weighing chemicals, only dry, non-hygroscopic substances may be weighed on paper, otherwise,…

Q: Give two benefits of vulcanized rubber.

A: Vulcanization of rubber: It is a process in which the mixture of raw rubber is heated in presence of…

Q: What is a nanotechnology?

A: Nanotechnology has to be defined.

Q: List 3 of the different wearing mechanisms that may happen to an element

A:

Q: Can we iron fabric materials? What are the effects if we iron the fabric materials?

A: Yes , We can iron fabric materials. ★After setting the temperature to low or medium heat, make sure…

Q: illustrates how resistance can be calculated?

A: Given term,         Resistance calculation

Q: Flame Test (known) See the list of ions to see the results of the flame test. Record Your…

A:

Q: Differentiate between Polymers and Plastics? Give some examples?

A: The word polymer is the combination of two units : 'poly' and 'mers' where 'poly' means many and…

Q: What are advanced materials? Explain

A: Definition: Advanced materials are the materials which haven't been used in usual purposes, which…

Q: What makes a material a ‘smart’ material?

A:

Q: 1. A certain type of PVC tubing costs $1.79 per foot. What length of tubing can you buy with $50.12?

A:

Q: A) Compare the Thermoplastic & thermosetting plastics.

A:

Q: What are the importance of performing tablet diameter and thickness tests?

A:

Q: All chemical dangers in the workplace are addressed under the:   A)  Formaldehyde Standard   B)…

A: All chemical are dangerous at the workplace, there for they monitored under some conditions and…

Q: Name the alkenes below.

A: First of all The ball stick model converted into the Line angle formula .

Q: What types of household items are basic? why?

A: Given : Different types of items.  To find : Basic nature items in the household.  Solution : As we…

Q: What does the number in a filter paper's brand represent?

A: Filter paper is a semipermeable paper made of cellulose that is used to

Q: 14. Which absorbs heat faster? Land or water? Why?

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Give an example of an ethical dilemma that can occur in nanotechnology research. Discuss why it is…

A: Nanotechnology is the study of special properties of particles having size in the range 1 - 100…

Q: The diamond could cut/scratch the glass, this is a manifestation of what property? a. hardness b.…

A: Answer Diamond has high hardness than any other metal or non metals

Q: Explain the importance of knowing laboratory safety rules, guidelines, and waste

A: Given : Laboratory safety rules, guidelines and waste  To find : Importance of Laboratory safety…

Q: Which glass can cut off ultraviolet rays?

A: Glass is an amorphous solid. It is transparent in nature. There are many types of glasses and have…

Q: OH HO, Он MEDIA

A: Introduction: We have to write the IUPAC name.

Q: Give reason why platinum, gold and silver are used to make jewellary.

A: Reason for gold, silver, platinum preferred for making jewelry as follows:

Q: Out of zinc and tin whose coating is better to protect iron objects?

A: Given,  Out of zinc and tin whose coating is better to protect iron objects.

Q: (d) Which is the best material for a heat-resistant glove?

A: Answer:- this question is answered by using the simple concept of specific heat capacity which tells…

Q: Which of the following is not a use of a crucible? Select one :…

A: Which of the following is not a use of a crucible? Select one :…

Q: Model Formula Name 1on ball & stick labels

A: The above given is ball and stick structure where ball represents the atom while stick represents…

Q: On the packaging of a chemical substance I. Full title of substance II. Safety signs III. Amount of…

A: Introduction: The chemical substance is of various types like hazardous or non-hazardous. Hazardous…

Q: Discuss the importance of recycling paper products.

A: Recycling It is the process of conversion of waste materials into reusable materials through some…

Q: Makes oceans and seas to have higher clarity than lakes and rivers.   a. SALINITY

A: Oceans water has a more uniform composition than lake and river water. It contains, by weight, about…

Q: does personal care use nanotechnology?

A: NANOTECHNOLOGY -   As we know that , Nanotechnology , it is defined as  the science of converting…

Q: Identify basic procedures for dealing with laboratory accidents.

A: Given: Basic procedures for dealing with laboratory accidents.

Q: Name the alkene below

A: 1. Select the principle carbon chain 2. Numbering as per the lowest locant rule3. Naming (prefix +…